UGC NET Paper 1: Held on 14th Dec 2023 Shift 2 (Previous Year Paper)

Calculation:

Anil's marks in,

Subject A = 66% of 150

⇒ 66/100 × 150 = 99

Subject B = 75% of 100

⇒ 75/100 × 100 = 75

Subject C = 88% of 150

⇒ 88/100 × 150 = 132

Subject D = 56% of 125

⇒ 56/100 × 125 = 70

Subject E = 56% of 75

⇒ 56/100 × 75 = 42

Subject F = 90% of 50

⇒ 90/100 × 50 = 45

Marks scored in all the six subjects = (99 + 75 + 132 + 70 + 42 + 45)

⇒ 463

Hence, the correct answer is 463.

Calculation:

Anil's marks in

Subject A = 66% of 150 = 99

Subject B = 75% of 100 = 75

Subject C = 88% of 150 = 132

Subject D = 56% of 125 = 70 

Subject E = 56% of 75 = 42 

Subject F = 90% of 50 = 45

Total marks of anil = 463

Arman's marks in

Subject A = 82% of 150 = 123

Subject B = 76% of 100 = 76

Subject C = 84% of 150 = 126

Subject D = 96% of 125 = 120 

Subject E = 92% of 75 = 69

Subject F = 88% of 50 = 44

Total marks of arman = 558

Arpit's marks in

Subject A = 76% of 150 = 114

Subject B = 66% of 100 = 66

Subject C = 78% of 150 = 117

Subject D = 88% of 125 = 110

Subject E = 72% of 75 = 54

Subject F = 70% of 50 = 35

Total marks of arpit = 496

Gaurav's marks in

Subject A = 90% of 150 = 135

Subject B = 88% of 100 = 88

Subject C = 96% of 150 = 144

Subject D = 76% of 125 = 95

Subject E = 84% of 75 = 63

Subject F = 86% of 50 = 43

Total marks of gaurav = 568

Gurjit's marks in

Subject A = 64% of 150 = 96

Subject B = 70% of 100 = 70

Subject C = 68% of 150 = 102

Subject D = 72% of 125 = 90 

Subject E = 68% of 75 = 51

Subject F = 74% of 50 = 37

Total marks of gurjit = 446

Priya's marks in

Subject A = 48% of 150 = 72

Subject B = 56% of 100 = 56

Subject C = 50% of 150 = 75

Subject D = 64% of 125 = 80

Subject E = 64% of 75 = 48

Subject F = 58% of 50 = 29

Total marks of priya = 360

so, exactly three students has obtained more than 490 marks.

Hence, the correct answer is three.

Calculation:

Marks obtained in subject C,

By Anil = 88/100 × 150 = 132

By Arman = 84/100 × 150 = 126

By Arpit = 78/100 × 150 = 117

By Gaurav = 96/100 × 150 = 144

By Gurjit = 68/100 × 150 = 102

By Priya = 50/100 × 150 = 75

So, M = (132 + 126 + 117 + 144 + 102 + 75)/6

M ⇒ 696/6 = 116

Marks obtained in subject E,

By Anil = 56/100 × 75 = 42

By Arman = 92/100 × 75 = 69

By Arpit = 72/100 × 75 = 54

By Gaurav = 84/100 × 75 = 63

By Gurjit = 68/100 × 75 = 51

By Priya = 64/100 × 75 = 48

So, N = (42 + 69 + 54 + 63 + 51 + 48)/6

⇒ N = 327/6 = 54.5

Hence, the correct answer is (116, 54.5).

Calculation:

Gaurav's marks in

Subject A = 90% of 150 = 135

Subject B = 88% of 100 = 88

Subject C = 96% of 150 = 144

Subject D = 76% of 125 = 95

Subject E = 84% of 75 = 63

Subject F = 86% of 50 = 43

Total marks of gaurav in all the six subjects = 568

Gurjit's marks in

Subject A = 64% of 150 = 96

Subject B = 70% of 100 = 70

Subject C = 68% of 150 = 102

Subject D = 72% of 125 = 90 

Subject E = 68% of 75 = 51

Subject F = 74% of 50 = 37

Total marks of gurjit in all the six subjects = 446

Difference = 568 - 446 = 122

Required percentage = 122/446 × 100

⇒ 27.35

Hence, the correct answer is 27.35%.

Calculation:

Marks obtained in subject A

By Anil = 66% of 150 = 99

By Arman = 82% of 150 = 123

By Arpit = 76% of 150 = 114

By Gaurav = 90% of 150 = 135

By Gurjit = 64% of 150 = 96

By Priya = 48% of 150 = 72

Average marks in A = (99 + 123 + 114 + 135 + 96 + 72)/6

⇒ 639/6 = 106.5

Marks obtained in subject E

By Anil = 56% of 75 = 42

By Arman = 92% of 75 = 69

By Arpit = 72% of 75 = 54

By Gaurav = 84% of 75 = 63

By Gurjit = 68% of 75 = 51

By Priya = 64% of 75 = 48

Average marks in E = (42 + 69 + 54 + 63 + 51 + 48)/6

⇒ 327/6 = 54.5

Difference = 106.5 - 54.5 = 52

Hence, the correct answer is 52.

The correct answer is - (A), (B) and (C) Only 

Key PointsContextual Knowledge (A):

• This refers to understanding the context or environment in which the learning takes place.
• It involves recognizing how different contexts can influence the way information is interpreted or applied.
• In self-directed learning, being aware of the context helps learners adapt their strategies to be more effective.

Hence, Statement A is correct.

Factual Knowledge (B):

• This involves knowing basic facts and terminologies. In the realm of metacognition, factual knowledge plays a role in understanding one's own learning processes and strategies.
• It is foundational, as knowing facts is a precursor to applying strategies or reflecting on one's learning process effectively.

Therefore, Statement B is correct.

Procedural Knowledge (C):

• This type of knowledge is about knowing how to do something.
• It involves understanding the processes or steps required to accomplish tasks.
• In self-directed learning, procedural knowledge is crucial for planning, monitoring, and evaluating one's learning strategies.
• Knowing how to learn or adapt learning strategies based on the task at hand is a key component of metacognitive knowledge.
• Hence, Statement C is correct.

Technological Knowledge (D):

• While technological knowledge is important in today's learning environments, it is not a core component of metacognitive knowledge.
• Metacognitive knowledge focuses more on the learner's awareness and understanding of their own cognitive processes, strategies, and the context of learning, rather than the tools used in the process.

Therefore, Statement D is incorrect.

Practical Knowledge (E):

• Practical knowledge involves knowing how to apply what one has learned in real-world situations.
• Although it is valuable in many learning scenarios, it is not specifically categorized under metacognitive knowledge.
• Metacognitive knowledge is more about understanding and regulating one's cognitive processes and strategies for learning, rather than the direct application of learned content.

Thus, Statement E is incorrect.

The Correct Answer is -  Deep styles

Key Points

• Deep styles of learning involve engaging with the material on a level that goes beyond just memorizing facts.
• Learners who adopt deep learning strategies strive to understand underlying concepts, critically analyze information, and connect new knowledge with existing knowledge.
• This approach helps in understanding the meaning of the materials rather than just superficially engaging with them.

Additional Information

• Surface styles: This learning style is characterized by a focus on rote memorization and learning only what is necessary to complete a task or pass an exam.
• Learners using surface styles often do not seek to understand the material deeply but rather aim to recall enough to meet immediate objectives.
• Impulsive styles: This option is misleading as "impulsive styles" is not a recognized learning style in educational psychology.
• However, if it were to refer to learning behaviors, it might suggest an approach that lacks planning or reflection, which is contrary to deep learning that involves thoughtful engagement with material.
• Reflective styles: Reflective learning is a component of deep learning, but deep learning encompasses a broader range of activities including the active engagement with and questioning of the material.

The Correct Answer - Low-road transfer

Key Points

• Low-road transfer occurs when a skill or knowledge learned in one context is automatically and effortlessly applied to another context without the need for conscious reflection.
• This kind of learning is primarily habit-based and is triggered by similar situations or stimuli.
• The statement about competent readers automatically reading new sentences in their native language exemplifies this because the skill of reading has been so well-practiced that it transfers to new sentences without conscious thought.

Additional InformationHigh-road transfer:

• This involves the deliberate, conscious application of knowledge or skills learned in one context to a different but related context.
• It requires abstract thinking and the ability to make connections between different learning experiences.
• The process described in the statement is automatic and does not involve this level of conscious effort, making High-road transfer an incorrect option.

Near transfer:

• Near transfer refers to the application of skills or knowledge from one situation to a very similar situation.
• While it might seem relevant, the key aspect of the statement is the automatic, unconscious nature of the skill transfer, rather than the similarity of contexts.
• Near transfer still implies some level of conscious application, which does not align with the automaticity described.

Far transfer:

• Far transfer involves applying skills or knowledge learned in one context to a very different or unrelated context.
• The example given doesn't suggest a transfer of skills across vastly different contexts but rather an automatic application within the same domain (reading within one's native language), making Far transfer an incorrect choice.

The correct answer is - (B) and (D) Only

Key PointsMendley is incorrect.

• Mendeley is primarily a reference manager and an academic social network that allows users to organize their research, collaborate with others online, and discover the latest research.
• It is not designed for detecting plagiarism.

Turnitin is correct.

• Turnitin is a widely used software for detecting plagiarism in academic work. It compares the submitted text against a vast database of academic content to identify matches and potential plagiarism.

Compiler is incorrect.

• A compiler is a tool that translates code written in a high-level programming language into machine language so that it can be executed by a computer.
• It has nothing to do with plagiarism detection.

Ithenticate is correct.

• iThenticate is another software tool that is designed for plagiarism detection.
• It is commonly used by publishers and researchers to check the originality of scholarly papers and documents before publication.

Hence, the correct answer is (B) and (D) Only.

The correct answer is - (A) and (C) Only.

Key Points

DNS is correct:

• DNS, which stands for Domain Name System, is a crucial component of the internet infrastructure.
• It translates human-readable domain names (like www.example.com) into IP addresses that computers use to identify each other on the network.
• When you watch a video from a website, your device first needs to resolve the domain name to an IP address to connect to the server where the video is hosted.
• Hence, DNS is involved in the process of streaming videos from a website.

FTP is incorrect:

• FTP stands for File Transfer Protocol.
• It is a standard network protocol used to transfer files from one host to another over a TCP-based network, such as the Internet.
• However, FTP is not typically used for streaming video content. Video streaming services usually rely on HTTP or RTSP (Real Time Streaming Protocol) for transmitting video data.
• Therefore, FTP is not directly involved in the process of watching videos from a website using streaming technology.

IP is correct:

• IP stands for Internet Protocol.
• It is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries.
• Every device connected to the internet is assigned an IP address, which is used to route the data from the source to the destination. When streaming video content, data packets are sent from the server to your device using IP.
• Thus, IP is a fundamental part of the process of streaming videos from a website.

The correct answer is - (A)-(III), (B)-(I), (C)-(IV), (D)-(II)

Certainly! Let's break down each pointer in detail:

• List I (Question) vs. List II (Answer)

1. (A) How many ones are there in the binary representation of the decimal number 512?

• Decimal 512 in binary is 1000000000.

• This binary number contains exactly one '1'.

• Correct Match: (A) - (III)

2. (B) If 1 KiloByte = 2^x bits, then what is the value of x?

• 1 Byte = 8 bits.

• 1 KiloByte = 1024 Bytes = 1024 * 8 bits.

• Therefore, 1 KiloByte = 8192 bits = 2^13 bits.

• However, this seems to be a misinterpretation or mistake in the original question or options given, as none of the provided options match this calculation directly. The closest related option, considering a common misunderstanding, is thinking in terms of bytes rather than bits, which would imply x = 10 (for kilobytes to bytes), but this is not directly related to the options provided. The correct calculation should lead to the understanding that 1 KiloByte = 8192 bits, but an error in the question's options seems to prevent a straightforward match.

3. (C) What hexadecimal value is obtained when the two hexadecimal digits A and B are added together?

• Hexadecimal A = Decimal 10.

• Hexadecimal B = Decimal 11.

• 10 + 11 = 21.

• Decimal 21 in hexadecimal is 15.

• Correct Match: (C) - (IV)

4. (D) What is the denary (base 10) value of the binary number 00010100?

• Binary 00010100 = Decimal 20.

• Correct Match: (D) - (II)

• Conclusion: Based on the detailed analysis:

• (A) matches with (III) - There is one '1' in the binary representation of 512.

• (B) - There seems to be a confusion or mistake in the question or options as provided, as none directly match the expected calculation for bits in a KiloByte.

• (C) matches with (IV) - Hexadecimal A + B equals 15 in hexadecimal.

• (D) matches with (II) - The binary number 00010100 equals 20 in decimal.

• Correct Answer: Given the confusion in option B, based on the provided information and assuming a potential typographical or conceptual error in the original question or options, none of the provided answer choices perfectly align with the detailed analysis. The closest match, assuming potential errors or misinterpretations, would be option 4 with corrections acknowledged for (B).

• Correction Note: The interpretation provided assumes potential errors in the original question's options, especially for item (B), as no option directly matches the expected answer. The explanation aims to clarify based on standard conversions and calculations.

The correct answer is - (A) and (C) Only.

Key Points

• Nitric oxide (NO) is indeed one of the primary oxides of nitrogen (NOx) found in air pollution.
• It is a significant contributor to smog and acid rain, and also participates in the formation of ground-level ozone.
• Nitrogen dioxide (NO2) is another major component of NOx and plays a critical role in air pollution.
• It is a toxic gas with significant health effects and also contributes to the formation of smog and acid rain.

Additional Information

• Nitrous oxide (N2O), while a nitrogen oxide, is more commonly associated with its greenhouse gas effects rather than its role in the kind of air pollution typically addressed by regulatory efforts aimed at controlling smog, acid rain, or ground-level ozone.
• Di-nitrogen trioxide (N2O3) is a nitrogen oxide, but it is less commonly discussed in the context of air pollution related to human health, smog, or acid rain in the lower atmosphere.
• It exists in equilibrium with NO and NO2 under certain conditions but is not typically a primary focus when addressing air pollution controls.
• Di-nitrogen pentoxide (N2O5), similar to N2O3, is indeed an oxide of nitrogen.
• It is involved in atmospheric chemistry, particularly the formation of nitric acid.

Based on the above explanations:

Hence, The correct answer is Option 2: (A) and (C) Only, as Nitric oxide (NO) and Nitrogen dioxide (NO2) are the primary oxides of nitrogen associated with air pollution concerns, including smog and acid rain.

The correct answer is - Statement I is correct but Statement II is incorrect.

Key PointsStatement I: Increasingly, photovoltaic panels are being used to supplement electrical energy from the power grid.

• This statement is correct.
• The use of photovoltaic (PV) panels has been increasing around the world as a way to supplement the electrical energy supplied by the power grid.
• This trend is driven by the desire to use renewable energy sources, reduce electricity bills, and decrease dependency on fossil fuels. PV panels convert sunlight directly into electricity, providing a clean, renewable source of energy that can be used to power homes, businesses, and infrastructure.

Statement II: The compatibility of photovoltaic panels with power grid is also because it produces Direct Current (DC).

• This statement is incorrect.
• While it is true that photovoltaic panels produce Direct Current (DC), this characteristic does not inherently make them compatible with the power grid, which operates on Alternating Current (AC).
• For the electricity generated by PV panels to be used with the grid or in most home appliances, it must first be converted from DC to AC.
• This conversion is typically accomplished using an inverter.
• The compatibility of PV panels with the power grid is facilitated by the use of inverters and not solely because they produce DC.

Hence, the correct answer is option 3: Statement I is correct but Statement II is incorrect.

The correct answer is - Statement I is correct but Statement II is incorrect .

Key PointsStatement I: Rising nutrient levels in a lake change the numbers and types of biota present there.

• This statement is correct.
• When nutrient levels in a lake rise, typically due to runoff containing fertilizers or sewage, it can lead to an increase in algae and plant growth.
• This process is known as eutrophication.
• The increased plant and algae growth can significantly alter the aquatic ecosystem, affecting the types and numbers of other organisms (biota) present.
• For instance, it can lead to decreased oxygen levels in the water, affecting fish and other aquatic animals.

Statement II: Eutrophic lakes normally have clear water and contain little biomass.

• This statement is incorrect.
• Eutrophic lakes are characterized by high nutrient levels, which lead to abundant plant and algae growth, not clear water.
• This abundance of plant life increases the biomass in the water.
• The high levels of algae and plants can actually make the water in eutrophic lakes murky or discolored.
• Furthermore, when these plants and algae die, their decomposition by bacteria can deplete oxygen levels in the water, further affecting water clarity and living conditions for other organisms.

Hence, Statement I is correct but Statement II is incorrect.

The correct answer is - Both Statement I and Statement II are correct.

Key PointsStatement I: The detrimental impacts of air pollution are not limited to human health only.

• This statement is correct.
• Air pollution affects not only human health but also has significant negative impacts on wildlife, vegetation, aquatic ecosystems, and even the broader climate.
• For example, pollutants can acidify soils and water bodies, affect plant growth, and harm animals through habitat degradation or direct toxicity.

Statement II: Fluorine emitted in the air from various industrial processes has significant phytotoxicological effects.

• This statement is also correct.
• Fluorine compounds, when emitted into the air as pollutants, can have harmful effects on plants, a phenomenon known as phytotoxicity.
• These effects include leaf damage, reduced growth, and even death of the plant in severe cases.
• Fluorine's phytotoxicological impact is a concern especially near industrial areas where such emissions are higher.

The correct answer is - (A) - (II), (B) - (III), (C) - (IV), (D) - (I).

Key PointsRisk - Frequency of events causing losses 

• Risk is often quantified as the probability of a specific hazard occurring and the frequency at which this might happen.

Exposure - Magnitude of population and structure at risk 

• Exposure refers to the amount of value (e.g., population, property, economic value) in an area that could be affected by a hazard.

Vulnerability - Degree of preparedness

• Vulnerability is not directly related to the degree of preparedness but rather to the characteristics and circumstances of a community, system, or asset that make it susceptible to the damaging effects of a hazard.
• However, the given answer seems to be a misalignment as vulnerability typically relates to the inherent characteristics that affect the ability to anticipate, cope with, resist, and recover from the impact of a natural hazard.

Response -  Actions to mitigate losses

• Response involves actions taken to deal with and mitigate the impact of a disaster or emergency, including immediate relief and long-term recovery efforts.

The correct answer is - Eighth five year plan

Key Points

• Eighth five year plan
• The Eighth Five Year Plan of India was implemented from 1992 to 1997.
• It marked a shift in the policy towards privatization of higher education in India.
• During this period, the government encouraged the establishment of private institutions to meet the growing demand for higher education.
• This plan aimed to reduce the financial burden on the government by involving the private sector in education.

Additional Information

• Historical Context
• Before the Eighth Five Year Plan, higher education was primarily publicly funded and managed.
• Economic reforms in the early 1990s, including the Liberalization, Privatization, and Globalization (LPG) policies, influenced changes in higher education policy.
• Impact of Privatization
• Increased access to higher education due to the proliferation of private institutions.
• Concerns regarding quality and affordability of education in private institutions.
• The role of regulatory bodies like the University Grants Commission (UGC) in maintaining standards.
• Subsequent Plans
• The Ninth and Tenth Five Year Plans continued to encourage private participation while focusing on quality improvement.
• Emphasis on Public-Private Partnerships (PPP) in higher education to leverage both public and private resources.

The correct answer is - Hindu college

Key Points

• Hindu College
• Science education in India was initiated at Hindu College in Calcutta in 1817.
• Hindu College was one of the first institutions to offer modern education in India, including science subjects.
• The college played a pivotal role in the intellectual and cultural development of India during the British colonial period.

Additional Information

• Historical Significance
• Hindu College was founded by prominent social reformers like Raja Ram Mohan Roy and David Hare.
• The institution aimed to combine traditional Indian education with modern Western sciences.
• Notable Alumni
• Many of its alumni, such as Bankim Chandra Chattopadhyay and Michael Madhusudan Dutt, became influential figures in Indian history and culture.
• Evolution
• Hindu College was later renamed Presidency College and continues to be a premier institution for higher education in India.

The correct answer is - Indian ministers of provinces

Key Points

• Indian ministers of provinces
• The Government of India Act 1919 introduced diarchy, which transferred some control over provincial subjects to Indian ministers.
• One of the provincial subjects transferred to Indian ministers was education.
• This transfer marked a significant step toward greater Indian involvement in educational administration.
• It aimed to foster a more localized and responsive education system in India.

Additional Information

• Government of India Act 1919
• This act, also known as the Montagu-Chelmsford Reforms, was a significant constitutional development for British India.
• It introduced diarchy in the provinces, dividing subjects into "transferred" and "reserved" categories.
• Transferred subjects included education, public health, and local self-government, which were managed by Indian ministers.
• Reserved subjects, like finance and law and order, remained under the control of the British Governors.
• Impact on Education
• The involvement of Indian ministers brought a more Indian perspective to education policy.
• This period saw increased efforts to promote vernacular languages and indigenous educational methods.
• However, the overall progress was limited due to financial constraints and lack of full autonomy.

The correct answer is - (D), (B), (A), (C).

Key PointsAccording to the APA style of referencing, the correct order of these elements in a reference list entry is:

• Name of the author - This is because, in APA style, the author's last name and initials are the first pieces of information a reader sees.
• Year of publication - The year follows immediately after the author's name, usually in parentheses, to provide a quick reference to the work's publication date.
• Title of the research article - The title comes next and is a crucial element as it gives the reader an idea of the article's content.
• Name of journal - Finally, the name of the journal in which the article was published is listed, providing the source of the work.

Option 4: (D), (B), (A), (C) is the Correct sequence.

The correct answer is - One-tailed test

Key PointsOne-tailed test

• This statistical test is used when the research hypothesis is directional, indicating either an increase or a decrease but not both.
• Since the interest is in testing whether the population mean is lower than a hypothesized value, a one-tailed test is appropriate.
• It specifically tests for the possibility of the relationship in one direction and completely ignores the possibility of a relationship in the other direction.

Additional InformationTwo-tailed test:

• This is used when the research does not specify a direction of the expected relationship.
• It tests for the possibility of the relationship in both directions, meaning it could be higher or lower.
• It is not suitable for the scenario described because the interest is specifically in whether the mean is lower, not in any difference.

Half-tailed test:

• This is not a standard term in statistics.
• Statistical tests are typically categorized into one-tailed or two-tailed tests based on the directionality of the hypotheses being tested.
• Therefore, this option is incorrect due to being a non-existent term in standard statistical testing.

Three-tailed test:

• Similar to the half-tailed test, this is not a recognized term in the field of statistics.
• Statistical tests are categorized into one-tailed or two-tailed based on the hypotheses.
• There is no concept of a three-tailed test in statistical hypothesis testing, making this option incorrect.

The correct answer is - (C), (D) and (E) Only.

Key Points

Delayed feedback:

• Greek rhetorical communication did not emphasize delayed feedback as a key element.
• The classical rhetoric focused more on the art of persuasion in the moment, primarily through speech.
• Hence, this is incorrect.

Lower class language:

• Greek rhetoric was not characterized by the use of lower-class language.
• Instead, it was marked by eloquence, sophistication, and the use of high-level language to persuade or argue a point.
• Greek rhetoricians like Aristotle, Plato, and others focused on the effective use of language for persuasion, which did not specifically involve the use of lower-class language.
• Hence, this is incorrect.

Logos:

• Logos, which refers to logical appeal or the logical argument in the act of persuasion, is indeed one of the key elements emphasized in Greek rhetorical communication.
• t involves the use of reasoning and evidence to support arguments.
• Hence,Logos is correct.

Ethos:

• Ethos refers to the ethical appeal or the credibility of the speaker. Greek rhetoric placed significant emphasis on the character and credibility of the speaker as a means of persuasion.
• The speaker's reputation, authority, and moral character were considered important in persuading the audience.
• Hence,Ethos is correct.

Pathos:

• Pathos, which pertains to the emotional appeal, is another crucial element in Greek rhetorical communication.
• It involves appealing to the audience's emotions to persuade them.
• Greek rhetoricians recognized the power of emotion in persuasion and strategically used it to influence their audience.
• Hence, Pathos is correct.

Given the analysis above, the correct answer is option 4, which includes (C) Logos, (D) Ethos, and (E) Pathos.

Shortcut Trick

Using Alligation on speed to find Time Ratio:

Average speed = 365 ÷ 8 = 45.625 kmph.

Ratio of time (Bus : Train) = (55 − 45.625) : (45.625 − 40) = 9.375 : 5.625 = 5 : 3.

Total time parts = 5 + 3 = 8 units → 8 hours. So, Train time = 3 hours.

Train distance = 55 kmph × 3 hours = 165 km.

∴ The correct answer is 165 km.

Alternate Method

Given: Total Distance = 365 km, Total Time = 8 hours, Bus Speed = 40 kmph, Train Speed = 55 kmph.

Formula Used: Distance = Speed × Time

Let the time spent on the Train be t hours and on the Bus be (8 − t) hours.

⇒ 40 × (8 − t) + 55 × t = 365

⇒ 320 − 40t + 55t = 365

⇒ 15t = 365 − 320

⇒ 15t = 45

⇒ t = 3 hours

⇒ Distance by train = 55 kmph × 3 hours = 165 km

∴ The correct answer is 165 km.

Additional Information

Alligation on Speed

When alligation is applied to speed, the resulting ratio is always the ratio of Time because Speed = Distance/Time (Time is the denominator).

Average Speed Formula

Average Speed = Total Distance ÷ Total Time. In this case, 365 ÷ 8 = 45.625 kmph.

Relative Speed

Relative speed is the speed of an object with respect to another. For objects moving in the same direction, subtract speeds; for opposite directions, add them.

Given:

Average of 10 numbers = 40

Average of 6 of them = 28

Calculation:

Sum of 10 number = 10 × 40 = 400

Sum of 6 numbers = 6 × 28 = 168

∴ Sum of remaining 4 numbers = 400 - 168 

⇒ 232

Average = 232/4 = 58

Hence, the correct answer is 58.

Given:

Selling price for B = Rs. 510

loss% of B = 15%

Calculation:

Cost price for B = 100/85 × 510 

⇒ Rs. 600

Cost price for A = 100/120 × 600 

⇒ Rs. 500

Hence, the correct answer is Rs. 500.

The correct answer is- (B), (A), (D), (C).

Key Points

• Android Phone (B) is a specific type of mobile telephone, indicating it is less abstract than a general mobile telephone.
• Mobile Telephone (A) is a type of telephone that is portable, making it more specific than a general telephone but less specific than an Android phone.
• Telephone (D) is a broader category that includes all types of telephones, both mobile and landline, making it more abstract than both Android phones and mobile telephones.
• Communication device (C) is the most abstract term here, encompassing any device used for communication, including all types of telephones and beyond.

Hence,Option 1 is correct.

The correct answer is - (A), (B) and (D) Only.

Key PointsStatement (A) No metals are gases:

• This statement implies a complete separation between the categories of metals and gases.
• No element is classified as both a metal and a gas.

Statement (B) No gases are metals:

• Similar to Statement A, this asserts that no gas qualifies as a metal, indicating a clear distinction between gases and metals.
• Logically, this is the converse of Statement A, and in the context of categorical logic, both statements are equivalent because they establish the same separation between the two categories.

Statement (C) No metals are non-gases:

• This statement is saying that metals cannot be anything other than gases, which contradicts our understanding of metals as typically solid at room temperature.
• This statement is logically inconsistent with the others, as it implies that all metals must be gases, which is not true.

Statement (D) All metals are non-gases:

• This statement asserts that if something is a metal, then it is not a gas.
• This is logically consistent with Statements A and B, as it also establishes a clear separation between metals and gases by classifying metals strictly in the non-gas category.

Hence, the correct answer is  (A), (B), and (D) Only.

The correct answer is - Both Statement I and Statement II are incorrect 

Key Points

Statement I :

• This statement describes a process where images generated from a computer are projected onto real life objects or surroundings.
• This description is more aligned with the concept of Augmented Reality (AR) rather than Virtual Reality (VR).
• In AR, digital information is overlaid onto the real world, enhancing one's perception of their surroundings with computer-generated imagery.
• Hence, Statement I is incorrect as it inaccurately describes Virtual Reality.

Statement II :

• This statement states that in augmented reality, a simulated environment is created, and the physical world is completely shut out.
• This description actually fits the definition of Virtual Reality (VR) rather than Augmented Reality (AR). VR immerses the user in a fully digital environment, effectively blocking out the real world and replacing it with a simulated one.
• Therefore, Statement II is incorrect as it inaccurately describes Augmented Reality.

The correct answer is - Statement I is correct but Statement II is incorrect

Key Points

• Statement I is correct
• Establishing universities by big corporate houses can lead to quality professional training and education.
• Corporate houses often have significant resources, expertise, and infrastructure to support high-quality education.
• There is potential for these universities to attract experienced professionals and offer industry-oriented programs.
• Statement II is incorrect
• It is not guaranteed that universities established by corporate houses will be world leaders in education.
• Success in becoming a world leader in education depends on multiple factors such as curriculum, faculty, research output, and international collaborations.
• There is no certain expectation that all such universities will achieve this status.

Additional Information

• Corporate Involvement in Education
• Corporate involvement can provide funding, infrastructure, and industry connections.
• There can be a focus on practical skills and employability aligned with industry needs.
• Potential challenges include balancing corporate interests with academic freedom and integrity.
• Factors for Global Educational Leadership
• World-leading universities typically excel in research, innovation, and global partnerships.
• They often have a high impact on academic publications and citations.
• Other contributing factors include faculty quality, student diversity, and global reputation.

The correct answer is - Before.

Key Points

• The term "ante" is derived from Latin, meaning "before".
• In academic writing, it is used to denote something that precedes another event, condition, or term.
• For example, "ante meridiem" (a.m.) means "before midday".

Additional InformationAnonymous:

• This refers to something or someone that is unnamed or unidentified.
• It does not relate to the temporal aspect that "ante" implies.

After:

• The opposite of "before", thus not fitting the definition of "ante".
• "After" would be more closely associated with "post" in academic contexts.

And others:

• Often abbreviated as "et al." from Latin "et alii/aliae/alia", this phrase is used in academic citations to denote that there are additional authors not listed.
• It does not convey a sense of time or sequence, making it unrelated to "ante".

The Correct Answer is - Face to face communication

Key Points

• Face to face communication is often considered the benchmark for evaluating other forms of communication because it allows for immediate feedback, non-verbal cues, and personal interaction.
• These elements are crucial in understanding and evaluating the effectiveness and nuances of communication.

Additional Information

• Radio transmission: While an important form of mass communication, it lacks the visual cues and immediate feedback mechanisms present in face-to-face interactions.
• Therefore, it's not as comprehensive a standard for evaluating all other forms of communication.
• Television entertainment: Primarily a one-way form of communication focused on entertainment and information dissemination.
• It does not involve two-way interaction or personal engagement, making it less suitable as a universal benchmark.
• Internet usage: Although it encompasses a wide range of communication forms, including some that mimic face-to-face interaction (like video calls), its varied nature and the presence of asynchronous communication options make it less ideal as a sole standard for evaluation.

Given:

Total amount distributed = Rs. 3080

Calculation: 

According to the question,

⇒ \( {1\over 2}\)A = \({1 \over 3}\)B = \({1 \over 6}\)C

Let,  \( {1\over 2}\)A = \({1 \over 3}\)B = \({1 \over 6}\)C = k

∴ A = 2k, B = 3k and C = 6k

So, 2k + 3k + 6k = 3080

⇒ 11k = 3080

⇒ k = 280

B's part = 3 × 280 = Rs. 840

Hence, the correct answer is Rs. 840.

The Correct Answer is - All non-liquids are non-beverages.

Key Points

• The statement "All beverages are liquid" is a categorical proposition that asserts a relationship between two categories: beverages and liquids.
• The logical equivalent of this statement must preserve the truth of the original statement without altering its meaning.
• The logically equivalent statement is "All non-liquids are non-beverages."
• This is because if all beverages must be liquid, then anything that is not a liquid cannot be a beverage.
• This form of logical equivalence is known as contraposition, where the subject and predicate are both negated and their positions are swapped.

The Correct Answer is - Sound is eternal because it is audible.

Key Points

• The argument that sound is eternal because it is audible is fallacious in the context of classical Indian logic due to the middle term being too narrow.
• This fallacy arises because the property of being "audible" does not exclusively apply to things that are eternal, making the middle term insufficiently broad to establish the conclusion.
• The argument attempts to connect audibility (a common property of many phenomena) exclusively with eternality, which is a logical misstep.

Additional Information

• The fallacy of the middle term being too narrow specifically impacts the validity of logical arguments by failing to provide a sufficiently broad basis for the conclusion.
• In the case of arguing that sound is eternal because it is audible, the narrowness of the middle term (audibility) fails to adequately support the conclusion about eternality, making it a clear example of this fallacy within the context of classical Indian logic.

Here's a comprehensive solution explanation for the given statements, presented in bullet form:

• Understanding the Conversion Process:

• To verify the statements, we need to understand how to convert decimal numbers from base 10 to base 16 (hexadecimal) and vice versa.

• Base 10 is the decimal system, which is what we use in everyday life. It uses digits 0-9.

• Base 16 (hexadecimal) uses digits 0-9 and letters A-F to represent values ten to fifteen.

• Statement I Analysis:

• Statement: (0.5625)undefinedundefined = (0.9)undefinedundefined

• Conversion Process: To convert 0.5625 from base 10 to base 16:

• 0.5625 * 16 = 9, which gives us the digit '9' after the decimal point in hexadecimal.

• Since there's no remainder after this multiplication, the conversion is complete.

• Conclusion: The statement accurately reflects the conversion from base 10 to base 16. Hence, Statement I is correct.

• Statement II Analysis:

• Statement: (0.3)undefinedundefined = (0.4BBB...)undefinedundefined

• Conversion Process: To convert 0.3 from base 10 to base 16:

• 0.3 * 16 = 4.8, so we have '4' after the decimal point, and take the 0.8 forward.

• 0.8 * 16 = 12.8, which is 'C' in hexadecimal (since 12 corresponds to 'C'), and take the 0.8 forward again.

• This process does not generate a repeating pattern of "BBB..." as suggested in the statement.

• The correct repeating pattern for 0.3 in base 16 is not "BBB...", but rather, it involves a conversion that leads to a different set of hexadecimal digits.

• Conclusion: The statement inaccurately represents the conversion from base 10 to base 16. The correct hexadecimal representation for 0.3 is not a repeating pattern of "BBB...". Hence, Statement II is incorrect.

• Final Verdict:

• Statement I is correct because it accurately represents the base 10 to base 16 conversion.

• Statement II is incorrect because the specified hexadecimal representation does not match the actual conversion result for 0.3 in base 10.

• Answer: The correct answer is option 3, which states that Statement I is correct but Statement II is incorrect.

Hence, the comprehensive analysis confirms that Statement I is correct and Statement II is incorrect, making the correct choice option 3.

UMANG - Unified Mobile Application for New age Generation is incorrectly matched.

Key Points

• The acronym UMANG actually stands for Unified Mobile Application for New-age Governance.
• It is designed to offer access to a wide range of government services in a single mobile app, aiming to foster a more accessible and efficient government-citizen interface.

Additional InformationIMPRINT - Impacting Research, INnovation, and Technology

• IMPRINT is an initiative by the Government of India aimed at addressing major engineering challenges that the country faces, by funding research projects in various domains such as healthcare, information and communication technology, and energy.

BHIM - BHarat Interface for Money

• BHIM is a mobile payment app that facilitates secure, easy, and reliable cashless transactions.
• It is developed by the National Payments Corporation of India (NPCI), utilizing the Unified Payments Interface (UPI) to enable instant bank-to-bank payments and mobile recharge among other features.

PayTM - Pay Through Mobile

• PayTM is one of India's leading financial services companies offering a comprehensive range of services including mobile recharges, bill payments, travel bookings, online shopping, and digital wallets.
• The name reflects its initial service of pay through mobile.

The correct answer is ‘ (A), (B), (C), and (E) Only.’

Key Points

• The passage describes various reasons animals use sounds, including to advertise territory (A), warn of dangers (B), call their mates (C), and inform others about the source of food (E).
• There is no mention of animals using sounds to invite their enemies (D), making this option incorrect.
• Sound is a significant form of communication among animals for essential survival and social interactions.
• This form of communication allows animals to interact from distances, through obstacles, and in the dark, enhancing their ability to survive and reproduce.
• By excluding option (D), we focus on the affirmative uses of sound as detailed in the passage.

Therefore, the correct answer is 'Option 3'.

The correct answer is ‘(A), (C), and (D) Only.’

Key Points

• The passage explicitly mentions signs, gestures, looks, sounds, smells, and song and dance as methods of animal communication, aligning with options (A), (C), and (D).
• Animals use a rich tapestry of communication methods that do not rely on human-like speech (B) or words (E), making these options incorrect.
• Communication methods like song and dance (A), signs (C), and sounds (D) cover a wide range of behaviors beyond human capabilities and are essential for survival, mating, and social interactions.
• The passage illustrates the diversity of animal communication, showing that it can be complex and varied.
• By focusing on these correct forms of communication, we appreciate the adaptability and ingenuity of animal interactions in their natural environments.

Therefore, the correct answer is 'Option 3'.

The correct answer is ‘Birds’.

Key Points

• The passage refers to whales and dolphins as the "musicians of the sea" and implicitly compares birds to them by stating they are like the musicians of the sky.
• Birds are renowned for their vocal abilities, using their songs and calls for a variety of purposes including mating, territory defense, and communication within groups.
• This analogy highlights the natural beauty and complexity of the auditory communication methods employed by both marine and avian species.

Therefore, the correct answer is 'Option 4'.

The correct answer is ‘Inaudible to humans.’

Key Points

• Ultrasonic sounds refer to sounds with frequencies above the upper limit of human hearing, typically above 20 kHz.
• The passage mentions that the ocean's inhabitants, including fish and marine mammals, use ultrasonic sounds, which are beyond human auditory perception.
• This characteristic of ultrasonic sounds is essential for animal communication in environments where other forms of communication may be less effective.
• The use of ultrasonic sounds allows for precise and private communication among species capable of producing and hearing these frequencies.
• Understanding the role of ultrasonic sounds in animal communication reveals the adaptability and complexity of how living creatures interact with each other and their environments.

Therefore, the correct answer is 'Option 4'.

The correct answer is ‘Both Statement I and Statement II are incorrect’.

Key Points

• Statement I is incorrect because the passage does not mention sharks and crocodiles as musicians of the sea; it specifically names whales and dolphins with this title.
• This correction underscores the unique acoustic behaviors and capabilities of cetaceans (whales and dolphins) in the marine environment.
• Statement II is incorrect as the passage clearly states that baby birds call their parents for help, attention, and food, demonstrating their ability to express their needs.
• The passage emphasizes the importance of vocalization for survival in young birds, highlighting the use of sound for communication from an early age.
• By addressing these incorrect statements, we focus on the accurate portrayal of animal communication and behaviors as presented in the passage.

Therefore, the correct answer is 'Option 2'.

The Correct Answer is - Newspaper

Key Points

• Newspapers are often described as 'one day best sellers' because they have a very short shelf life.
• The news they contain is relevant for a day, and by the next day, it is replaced by a new edition with fresh news.
• This transient nature of newspapers, where their value and relevance are highest on the day of publication, aligns with the concept of a "best seller" that is highly sought after for a brief period.

Additional InformationRadio:

• Radio is a medium that broadcasts audio content, including news, music, and talk shows. Its content is ephemeral and not consumed in the same way as printed material.

Internet:

• The Internet is a vast digital medium that offers a plethora of information, services, and entertainment.
• Its content is not constrained by time in the same way as a newspaper.
• Websites and digital platforms update continuously, and information can be accessed anytime, making the concept of a "one day best seller" inapplicable.

Novel:

• A novel is a form of literary fiction that is published as a book.
• Unlike newspapers, novels are meant to be read over a longer period and have a shelf life that extends far beyond a single day.
• They are not typically associated with daily consumption or disposal.

The Correct Answer - Semiotics

Key Points 

• Semiotics is the correct approach because it specifically focuses on the study of signs and symbols as a significant part of content analysis.
• It examines how meaning is created and communicated through these signs and symbols within various contexts.
• Semiotics is used across various fields such as linguistics, psychology, cultural studies, and media studies to analyze and interpret the ways in which meanings are constructed and understood.

Additional InformationEthnography:

• Ethnography is a qualitative research method focused on the systematic study of people and cultures.
• It involves researchers observing and sometimes participating in the daily life of the people being studied, in order to understand their customs, practices, and social interactions.
• Ethnography is not primarily concerned with the study of signs in the way that semiotics is.

Content Analysis:

• Content analysis is a research technique used to objectively and systematically analyze the content of communication.
• The method can be qualitative or quantitative and involves identifying and coding various elements of text, images, or media to understand their frequency, trends, patterns, or meanings.
• While content analysis can involve the study of signs to some extent, it is broader in scope and not specifically focused on signs as semiotics is.

Quantitative Research:

• Quantitative research involves the collection and analysis of numerical data to understand patterns, relationships, or trends.
• This method relies on statistical analysis and is often used in the natural and social sciences to test hypotheses and make predictions.
• Quantitative research is not dedicated to the study of signs and symbols; rather, it focuses on quantifiable variables.

The correct  answer is - Both Statement I and Statement II are correct.

Key Points

Statement I: Through feedback, students can later critique their own communication competence outside the classroom.

• This statement is correct.
• Feedback plays a crucial role in the learning process, especially in the development of communication skills.
• It helps students understand their strengths and areas of improvement in communication.
• By receiving constructive feedback, students can reflect on their communication competence and work on enhancing it, not only within the classroom environment but also in real-world situations outside the classroom.
• This practice of self-critique and continuous improvement is essential for personal and professional growth.

Statement II: Motivational orientation towards communication should be identified by teachers to better the communication competence of the students.

• This statement is also correct.
• Motivational orientation refers to the reasons or goals that underlie a student's engagement in a particular task.
• In the context of communication, understanding a studentundefineds motivational orientation can help teachers tailor their teaching strategies to better meet the students' needs and interests.
• By identifying what motivates students to improve their communication skills, teachers can design more effective learning experiences that foster enthusiasm and commitment, thereby enhancing the students undefined communication competence.

Hence, the correct answer is option 1: Both Statement I and Statement II are correct.

The correct answer is - (B), (C) and (D) Only

Key Points

• Banaras Hindu University (BHU)
• Banaras Hindu University, also known as BHU, was established in the year 1916.
• Mysore University
• Mysore University was established in the same year as BHU, which is 1916.
• S.N.D.T Women University
• S.N.D.T Women University was also established in 1916, making it one of the earliest women's universities in India.

Additional Information

• Bombay University
• Bombay University, now known as the University of Mumbai, was established much earlier in the year 1857.
• Punjab University
• Punjab University was originally established in Lahore in 1882. After the partition of India in 1947, it was re-established in Chandigarh.

The correct answer is - Fallacy of Composition 

Key PointsFallacy of Composition :

• This fallacy occurs when one assumes that what is true for a part must be true for the whole.
• The statement makes a sweeping generalization about the universe based on the premise that all phenomena possess moral values,
• Thus incorrectly assuming these values apply to the entirety of the universe as a coherent moral entity.
• This leap from part to whole without sufficient justification is what classifies it as the fallacy of composition.

Additional InformationSlippery Slope

• This fallacy involves arguing that a relatively small first step leads to a chain of related events culminating in some significant (usually negative) effect.

Begging the Question 

• Also known as circular reasoning, this fallacy occurs when an argument's premises assume the truth of the conclusion, instead of supporting it.

Hasty Generalisation 

• This fallacy is committed when a conclusion is drawn from a sample that is not representative or is too small.

The correct answer is - Both Statement I and Statement II are correct 

Key Points

Statement I: Edmodo (online tool) helps teachers to stay in touch with parents, share updates and discuss student progress.

• This statement is correct.
• Edmodo is an educational technology company offering a communication, collaboration, and coaching platform to K-12 schools and teachers.
• The Edmodo network enables teachers to share content, distribute quizzes, assignments, and manage communication with students, colleagues, and parents.
• Hence, it serves as a bridge for communication between teachers and parents, facilitating the sharing of updates and discussions on student progress.

Statement II: Duolingo is an online language learning platform.

• This statement is also correct.
• Duolingo is a platform that offers language learning tools and courses in various languages.
• It is designed to make learning a new language accessible and engaging through gamification and personalized learning paths.
• Users can learn at their own pace through interactive lessons on the Duolingo website or app, making it a versatile tool for language learners of all levels.

The correct answer is - Statement I is correct but Statement II is incorrect.

Key Points

Statement I:

• The statement refers to the inoculation theory of communication, which suggests that just as a vaccine can build immunity by introducing a weak form of a virus, exposing people to a weakened form of an argument can help them resist persuasion by strengthening their existing attitudes or beliefs.
• In the context of passive defense systems, this means encouraging defenses that do not actively engage the attacker but instead strengthen the defender's resistance to change.
• This is akin to how inoculation theory works, by making individuals resistant to attitudinal change through prior exposure to counterarguments.
• Hence, Statement I is correct.

Statement II:

• This statement seems to extend the metaphor of the inoculation theory into a more biological interpretation, suggesting that a strong dose of argument could strengthen the receiver's "immune system" against persuasion.
• While the theory does posit that exposure to counterarguments can strengthen resistance to persuasion, it does not directly relate to strengthening the immune system in a biological sense.
• The "immune system" in this context is metaphorical, referring to psychological resistance to persuasion rather than biological immunity.

Hence, Statement II is incorrect as it misinterprets the metaphorical application of the theory to a literal biological process.

Logic: Addition of numbers in the previous number to get the next number but alternatively.

Logic is shown below,

So, P and Q are 20 and 60.

Performance assessment focuses on evaluating students' ability to demonstrate specific skills, competencies, or tasks in real or simulated situations.

Key Points

• In the case of assessing a student's ability to debate, performance assessment allows educators to observe and evaluate the student's actual performance in a debate setting.
• This type of assessment provides valuable insights into the student's critical thinking, communication skills, persuasive abilities, and overall effectiveness as a debater.
• Performance assessment offers a comprehensive and authentic way to evaluate a student's debating skills, as it assesses their ability to apply knowledge and skills in a real-world context.

Hence, we can conclude that the performance assessment would be most beneficial for assessing a student's ability to debate.