DSSSB PRT Official Paper 11 Nov 2019 Shift 3 (Previous Year Paper)

Six girls: P, Q, R, S, T, and U.

Cars: C1, C2, C3, C4, C5, and C6.

1. S drives C4.

2) Q drives C1.

3. Car C5 is driven by either R or U. 

4. Car C2 is not driven by T. 

5) P doesn’t drive an even-numbered car.

So, P drives C3 and T drives C6.

Hence, "C3, C6" is the correct answer.

The logic followed is:

The rotation given as:

i) Ramesh rotates 120° in clockwise direction.

ii) He then rotates 340° in anticlockwise direction.

iii) He again rotates 193° in anticlockwise direction.

iv) Now he rotates 320° in clockwise direction.

We know that the final rotation is given by:

Sum of angles in clockwise direction = 120° + 320° = 440 Clockwise direction

Sum of angles in anticlockwise direction = 340° + 193° = 533 anticlockwise direction

We know that final direction = (Sum of angles in anticlockwise direction - Sum of angles in clockwise direction) = (533 - 440) = 93 anticlockwise direction

Thus Ramesh finally rotates 93 anticlockwise direction.

Final direction diagram is as follows:

Thus we can say he is facing in north-west direction.

Hence, the correct answer is "North - west".

Average of eight batsmen: J, K, L, M, N, O, R and T.

1) Average of T is less than M and more than K.

M > T > K

2) Average of L is less than K.

K > L

3. The average of two batsmen lies between the average of M and L. 

So, Combining these statements;

M > T > K > L

4) Average of O is less than N and K both.

N/K > O

5) The number of batsman having average less than L are same as the number of batsman having average more than M.

There are many cases for these conditions;

So, only option (4) satisfy all the

Statements:

J >R > M > T > K > L > N > O 

Hence, option (4) is the correct answer.

Code for 'young' is "ht".

Hence, "ht" is the correct answer.

As per the given information;

RP² = (OP² + OR²)

13² = (12² + X²)

169 = 144 + X²

X² = 169 - 144

X2 = 25

X = 5 km

Hence, "5 km" is the correct answer.

The least possible Venn diagram for the given statements is as below,

Conclusions:

I. Some K are not G → True (As No K are G then this is definitely true Some K are not G)

II. Some J are K → False (There is no direct relation between J and K)

III. No K is J → False (There is no direct relation between J and K)

Hence, conclusion I and Either II or III follows.

Important Points

 Either and or conditions:

1. One conclusion is positive and one is negative.
2. The elements are the same in both the conclusions.
3. Individually both conclusions must be wrong.

NOTE:

According to Official Paper of DSSSB PRT 11^th Nov 2019 Shift-III option (4) is only conclusion I follows.

But there is Either or condition that applies to this question. 

So, option (4) has been changed.

Five chairs: K, L, M, P and R.

1) P is just below R.

R > P

2. M is just below L and just above K.

L > M > K

3. There is no chair above R. 

So, R > P > L > M > K 

Hence, there are two chairs below L.

The logic followed is:

Checking options one by one;

1) 14 ÷ 13 – 11 × 32 + 22 = 11

After replacing the signs from left to right and using the BODMAS rule,

14 + 13 – 11 × 32 ÷ 22 

= 14 + 13 - 16

= 27 - 16

= 11 

2) 16 + 24 × 3 ÷ 15 – 16 = 1

After replacing the signs from left to right and using the BODMAS rule,

16 ÷ 24 × 3 + 15 – 16

= 2 + 15 - 16

= 1

3) 11 ÷ 5 × 63 + 7 – 14 = 42

After replacing the signs from left to right and using the BODMAS rule,

11 + 5 × 63 ÷ 7 – 14

= 11 + 5 × 9 - 14

= 11 + 45 - 14

= 56 - 14

= 42

4) 15 ÷ 9 + 4 × 16 –2 = 47

After replacing the signs from left to right and using the BODMAS rule,

15 + 9 ÷ 4 × 16 –2 

= 15 + 36 - 2

= 51 - 2

= 49 ≠ 47

All options are correct except option (4).

Hence, option (4) is the correct answer.

The triangle represents Red. 

The circle represents Yellow.

The rectangle represents Blue.

Blue which are Red means the common part of Triangles and Rectangle = 9 + 8 = 17

Hence, "17" is the correct answer.

LOGIC: Inner part of the first diagram is rotated 90° anticlockwise direction.

 

Similarly;

Hence, option (3) is the correct answer.

The least possible Venn diagram for the given statements is as below,

Conclusions:

I. No V is K → False (As there is no direct relation between K and V)

II. Some T are K → True (As some K are T then Some T are K is definitely true)

Hence, Only conclusion II follows.

The faces opposite to each other is shown below:

The opposite sides are:

1) 

 → This cube can be formed as no two opposite faces appear together on the same dice. 

2) 

 →  This cube can be formed as no two opposite faces appear together on the same dice. 

3) 

 → This cube cannot be formed as 

 and 

 faces are opposite faces and no two opposite faces can appear together on the same dice.

Hence, ‘option 3’ is the correct answer.

LOGIC: In a row;

(First Number + Second Number + Third Number) × 2.5 = Fourth Number

In row 1:

(16 + 14 + 9) × 2.5

= 39 × 2.5

= 97.5

In row 2:

(32 + 8 + 3) × 2.5

= 43 × 2.5

= 107.5

In row 3:

(13 + 9 + 14) × 2.5

= 36 × 2.5

= 90

Hence, "107.5" is the correct answer.

The correct Venn diagram representation is:

Rats are rodents.

Snakes are Reptiles.

Hence, option (1) is the correct answer.

The positions of the letters according to the English alphabet series:

The pattern for this code is as follows;

Hence, "SE" is the correct answer.

The given figure when unfolded is as follows:

Hence, option (3) is correct.

The positions of the letters according to the English alphabet series:

The pattern for this code is as follows;

The first letter is increased by 4.

The second letter is decreased by 4.

Difference of positional values = Number 

In first term:

K = 11, G = 7, 

(K - G) = (11 - 7) = 4 ≠ 5

In second term:

O = 15, C = 3

(O - C) = (15 - 3) = 12

In third term:

S = 19, Y = 25

(Y - S) = (25 - 19) = 6

In fourth term:

W = 23, U = 21

(W - U) = (23 - 21) = 2

In fifth term:

A = 1, Q = 17

(Q - A) = (17 - 1) = 16

Hence, "KG5" is the correct answer.

The positions of the letters according to the English alphabet series:

The pattern for this code is as follows;

1) 

2) 

3) 

4) 

Hence, "BXW" is the correct answer.

The positions of the letters according to the English alphabet series:

The pattern for this code is as follows;

Similarly;

Hence, "NLA : QHF" is the correct answer.

Glass is used for drink any liquid.

Similarly;

Axe is used for cut.

Hence, "Cut" is the correct answer.

The correct answer is the Indus river.

Key Points

• Nubra river originates from the Siachen glacier.
• Nubra River is a tributary of the Shyok River which is a tributary of Indus.
• In Tibet, the Nubra River is known by the name Yarma Tsangpo.
• It is the second-longest non-polar glacier in the world.
• The Indus receives a number of Himalayan tributaries such as the Shyok, the Gilgit, the Zaskar, the Hunza, the Nubra, the Shigar, the Gasting and the Dras.
• About Indus River:​
• It is one of the largest river basins of the world, covering an area of 11,65,000 sq. km (in India it is 321, 289 sq. km and a total length of 2,880 km (in India 1,114 km).
• The Indus is also known as the Sindhu, is the westernmost of the Himalayan rivers in India.
• It originates from a glacier near Bokhar Chu (31°15' N latitude and 81°40' E longitude) in the Tibetan region at an altitude of 4,164 m in the Kailash Mountain range.
• In Tibet, it is known as ‘Singi Khamban; or Lion’s mouth.
• After flowing in the northwest direction between the Ladakh and Zaskar ranges, it passes through Ladakh and Baltistan.
• It cuts across the Ladakh range, forming a spectacular gorge near Gilgit in Jammu and Kashmir.​

The correct answer is Game of Thrones.

Key Points

• Game of Thrones won the award in outstanding drama series category.
• These awards were given by the Academy of Television Arts & Sciences to best prime time television programmes in the USA.

 

Additional Information

• List of winners of Emmy Awards 2019 is as follows:

The correct answer is Governor of the state.

Key Points

• Powers of the Comptroller and Auditor General of India:

• Article 148: of the Constitution of India establishes the authority of this office.

• Article 149: Duties and Powers of the Comptroller and Auditor General.

• Article 150: Form of Accounts of the Union of India and the States.

• Article 151: To report to the President or to the Governors of the States on the accounts of the Union or State.

• The Comptroller and Auditor General (CAG) of India is K. Sanjay Murthy. He assumed office on November 21, 2024, succeeding Girish Chandra Murmu.

• Prior to his appointment as CAG, K. Sanjay Murthy served as the Secretary of the Department of Higher Education.

Additional Information

• Comptroller and Auditor General of India : 
• The Constitution of India (Article 148) provides for an independent office of the Comptroller and Auditor General of India (CAG).
• He is the head of the Indian Audit and Accounts Department.
• He is the guardian of the public purse and controls the entire financial system of the country at both the levels–the Centre and the state.
• His duty is to uphold the Constitution of India and the laws of Parliament in the field of financial administration.
• This is the reason why Dr B.R. Ambedkar said that the CAG shall be the most important Officer under the Constitution of India.
• He is one of the bulwarks of the democratic system of government in India; the others being the Supreme Court, the Election Commission and the Union Public Service Commission.

The correct answer is Chandragupta II.

Key Points

• Kalidasa was one of the gems of the court of Gupta king Chandragupta II (375–415 CE).
• The poems he wrote were usually of epic proportions and were written in classical Sanskrit.
• Meghadutta is one of the finest works of Kalidasa in terms of world literature.
• ​The most famous and beautiful work of Kalidasa is the Shakuntalam.
• Aryabhata was the first in the line of great mathematician-astronomers from the classical age of Indian mathematics and Indian astronomy in the court of Gupta king Chandragupta II (375–415 CE).
• His works include the Aryabhaṭiya (when he was 23 years old) and the Arya-Siddhanta.

Additional Information

• Chandragupta II was also known by his title Vikramaditya was one of the most powerful emperors of the Gupta Empire in northern India.
• Chandragupta continued the expansionist policy of his father Samudragupta.
• His daughter Prabhavatigupta was a queen of the southern Vakataka kingdom, and he may have had influence in the Vakataka territory during her regency.
• Chandragupta II was the first Gupta king to issue silver coins.
• Chinese traveller Fa Hien visited India during the time of Chandragupta II.
• Chandragupta II was known for his deep interest in art and culture and nine gems or Navratna adorned his court.
• The various fields of these 9 gems prove that Chandragupta gave patronage to arts and literature.

The correct answer is 22.

Key Points

• Minimum Support Price is price fixed by the Government of India, on the recommendation of commission for Agriculture Cost and Price.
• To protect the producer - farmers - against excessive fall in price during bumper production years.
• CACP (Commission for Agriculture Cost And Price) recommends MSP for twenty-two (22) crops and Fair & Remunerative Price (FRP) for sugarcane.

 

Additional Information

• The MSP is fixed twice a year on the recommendations of the Commission for Agricultural Costs and Prices (CACP), which is a statutory body and submits separate reports recommending prices for Kharif and Rabi seasons.
• The MSP is the rate at which the government purchases crops from farmers, and is based on a calculation of at least one-and-a-half times the cost of production incurred by the farmers.

The correct answer is Chemical effect.

Key Points

• Electroplating:
• It is the process of depositing a layer of any desired metal on another material by using electricity.
• The process has a wide range of industrial applications.
• It forms a protective layer over metal and makes it corrosion resistant.
• It also gives a shiny appearance to metals.
• Electroplating is done by the process of electrolysis, which is based on the chemical electric effect.
• The process is also used for coating silver, gold over cheaper metal to form jewelry.
• Metals commonly used in electroplating include Zinc, Copper, Tin, Chromium, Gold, Nickel, Silver, Palladium.

Additional Information

• Other processes:​

The correct answer is Payal Jangid.

• Payal Jangid became the first Indian to be awarded the ‘Changemaker Award2019.
• The award is given by the Bill and Melinda Gates Foundation.
• She was awarded for her work towards the abolition of child marriage in Rajasthan.

 

Key Points

• Payal Jangid is a 17-year-old youth activist from Rajasthan.
• The Changemaker Award encourages and honours the achievements of young activists, campaigners, and innovators across the world for inspiring social change.
• Payal's activism began when she relented against being married off when she was just 11 years old.
• Payal was mentored by the Nobel Peace Laureate Kailash Satyarthi and child rights activist Sumedha Kailash.

The correct answer is Kathakali.

Key Points

• Kathakali:

• The name of the dance form is the summation of two distinct words 'Katha' (story) and 'Kali' (art and performance).

• It is an Indian classical dance form in which the artists communicate a story to their audience through excellent facial expressions, gestures, and footwork.

• The special features of this dance form are vivid makeup, unique costumes, and the dance movements that reflect the age-old martial arts and athletic conventions prevalent in Kerala and surrounding regions.

• There are eight Indian classical dance forms:

• Bharatnatyam (Tamil Nadu)

• Kathak (Uttar Pradesh)

• Kathakali (Kerala)

• Kuchipudi (Andhra Pradesh)

• Manipuri (Manipur)

• Odissi (Odisha)

• Sattriya (Assam)

• Mohiniyattam (Kerala).

The correct answer is Budget 2017-18.

Key Points

• The government of India approved the merger of the Railway Budget with the General Budget on September 21.

2016. • On February 1, 2017, the first combined budget was presented in parliament.

• The practice of a separate budget for Railways was started in 1924.
• It was done on the recommendations of the Acworth Committee.
• At that time the railway budget constituted around 84% of the total budget and therefore it was recommended to separate it from the general budget.
• But with time budget of other ministries also started increasing and some of them even overtook the budget of Railways.
• In 2016 the railway budget shrank to almost 15% of the total budget and hence the idea to merge it with the general budget was proposed by the Union government in 2016.

 

Additional Information

• About Budget:
• ​In our Constitution, the term 'budget' finds no mention.
• The term 'Annual Financial Statement' refers to the budget and article 112 deals with provisions related to it.
• The budget is prepared by the Department of Economic Affairs, Ministry of Finance
• Finance Minister presents the budget in the Lok Sabha.
• The budget is presented on February 1.
• But before 2017, it used to be presented on the last day of February.

The correct answer is Rough endoplasmic reticulum helps in the manufacture of fat molecules or lipids.

Key Points

• Rough Endoplasmic reticulum (RER): It is rough in appearance and is lined with ribosomes, hence, named the rough endoplasmic reticulum.
• It is the site of protein synthesis.
• Smooth Endoplasmic reticulum (SER): It contains no ribosomes and hence is smooth in appearance.
• It helps in lipid and steroid synthesis.

 

Additional Information

• The Endoplasmic Reticulum (ER) is a complex network of tubular membranes found in the cytoplasm of eukaryotic cells.
• It is a fluid-filled network of membranous canals.
• These membranes fold continuously, finally joining the nuclear membrane's outer layer.
• The endoplasmic reticulum is found in every type of eukaryotic cell except sperm cells and red blood cells.
• They are the cell's transport system, which transports materials throughout the cell.

The correct answer is Sayed Ahmed Khan.

Key Points

• In 1877, Sir Syed founded the Muhammadan Anglo-Oriental College in Aligarh and patterned the college after Oxford and Cambridge universities that he had visited on a trip to England.
• His objective was to build a college in tune with the British education system but without compromising its Islamic values.
• It was one of the first purely residential educational institutions set up either by the government or the public in India.
• Over the years it gave rise to a new educated class of Indian Muslims who were active in the political system of the British Raj.
• When viceroy to India Lord Curzon visited the college in 1901, he praised the work which was carried on and called it of "sovereign importance".

Important Points

• Sir Syed Ahmad Khan founded the Mohammedan Anglo-Oriental Defence Association in the year 1893 with the assistance of Theodore Beck.
• The main purpose of founding this association was to unite Muslims.
• Syed Ahmed Khan received a knighthood in 1888 for his loyalty.
• He wanted to reconcile western scientific education with the teachings of the Quran.
• He served the British administration before the revolt of 1857.
• He has also written a pamphlet titled “The Causes of the Indian Revolt'' to explain the reasons for the revolt from an Indian perspective.
• He is known for his pioneering role in transforming educational opportunities for Muslims.
• He started the Aligarh movement.
• It was a systemic movement aimed at reforming the social, political, and educational aspects of the Muslim community.
• He established the Scientific Society in 1864, in Aligarh.
• The society aimed to translate Western works into Indian languages to prepare Muslims to accept Western education.
• The Aligarh Institute Gazette was a magazine published by him.

Additional Information

The correct answer is Gujarat.

Key Points

• Sardar Sarovar Dam:
• It was the vision of Sardar Vallabhai Patel. It was started by Pandit Jawaharlal Nehru in 1962.
• It was a concrete gravity dam built on the Narmada river in Gujarat which belongs to four states such as Madhya Pradesh, Gujarat, Maharastra, Rajasthan.
• It was funded by World Bank and International Bank for Reconstruction and development to increase irrigation and produce power with an outlay of around US $ 200 million.
• It leads to many disputes such as Narmada Bachao Andolan etc so the supreme court halted and created Narmada Water Dispute Tribunal.
• It has a capacity similar to Grandee Coloee Dam on the Columbia River in the US. This dam's original capacity is around 9.3 cubic kilometers. Present active capacity around 5 cubic kilometers and catchment area around 88000 square kilometers.

Additional Information

Mistake Points

• The question is of the official pyp of DSSSB PRT General Section 11 Nov 2019 Shift 3 and Gujarat is marked and accepted as the right answer.
• Sardar Sarovar Dam (SSD), on the Indian Narmada river, is located in the village of Kevadia in the state of Gujarat.
• It is one of the largest and most controversial interstates, multipurpose river valley infrastructure development projects in the country.
• The Sardar Sarovar Project (SSP) also consists of auxiliary works and a 1,450MW power complex.
• It is part of the Narmada Valley Development Project, a major plan to generate power and supply water for drinking and irrigation to the states of Gujarat, Madhya Pradesh, and Maharashtra.
• Electricity is distributed to Gujarat (16%), Madhya Pradesh (57%), and Maharashtra (27%) through a 400kV power transmission line.
• As the dam itself is constructed in Gujarat, the answer given is right$.

The correct answer is Iran.

Key Points

• Iran won the 2019 Asian Men's Volleyball Championship match by defeating India.
• It was the twentieth edition of the Asian Men’s Volleyball Championship.
• The tournament was held in Tehran, Iran from 13 to 21 September 2019.

Additional Information

The correct answer is Chola.

Key Points

• The Chola king Karikala founded Puhar and constructed 160 km of the embankment along the Kaveri River.
• This was built with the labour of 12000 slaves from Sri Lanka.
• Puhar is a place identical to Kaveripattanam. It was the capital of Chola.
• Excavations show that it had a large dock and was a centre of trade and commerce.
• The port city of Puhar became an emporium of foreign trade, as big ships entered this port with precious goods.
• Other ports of commercial activity include Tondi, Musiri, Korkai, Arikkamedu, and Marakkanam.

Important Points

• Chola dynasty:
• Vijayalaya was the founder of the Chola dynasty. His reign was from 850-870 CE.
• Vijayalaya established the dynasty by taking advantage of the war between the Pandyas and Pallavas.
• He conquered Thanjavur from Elango Mutharaiyar who was the final ruler of the Mutharaiyar dynasty.
• With help of Muttaraiyar king, Sattan Paliyilli he established the dynasty in Tanjavur.
• He was succeeded by his son Aditya I.
• The Tiruvalangadu plates or the Tamil copper-plate inscriptions mention Vijayalaya's capture of Tanjavur city.

The correct answer is These mountain ranges run in an east-west direction.

Key Points

• Himalayas
• The Himalayas are young fold mountains in the northern part of the Indian subcontinent.
• The Himalayas are further grouped into four parallel longitudinal mountain belts of varying width which are - Outer Himalaya, Lesser Himalaya, Great Himalaya, and Tibetan Himalayas.
• Their width varies from 400 Km in Kashmir to 150 Km in Arunachal Pradesh.
• The lesser Himalayas are also called Middle Himalayas.
• They extend from the northwest of the northern limit of the Indian Subcontinent to the southwest of the same.
• Sandwiched between Great Himalayas and Shivalik ranges, the lesser Himalayas run for around 2500 km.
• The altitudinal variations are greater in the eastern half than those in the western half.

Important Points

• Pir Panjal range
• It is the longest and most important of all the ranges in the Lesser Himalayas.
• The Jawahar tunnel, Atal tunnel, and Banihal tunnel are all located in the Pir Panjal range.
• Deo Tibba and Indrasan are two important peaks of the range.
• The range has an average elevation of 5000m above sea level.
• Jhelum, Kishanganga, and Chenab flow through this range.
• Rohtang la and Banihal passes are important passes in this range.
• Mahabharat range
• It has an elevation of about 1500-2000m above sea level and runs east to west in Nepal.
• Koshi, Gandaki and Karnali rivers flow in this range.
• This range is a part of the Lesser Himalayas.
• Zaskar range
• It is part of Trans Himalaya and is located south of Ladakh.
• It contains some prominent peaks like Mt. Kamet, Nanda Devi (a biosphere reserve) Kedarnath, etc.
• Liphu Lekh Pass that leads to Mansarovar and Mt. Kailash forms a part of these ranges.
• Spiti Valley, Lahaul Valley, and Kinnaur Valley are also a part of these ranges.
• Shivalik
• Also known as the outer Himalayas, they are known by different names in different places.
• For example, they are called Jammu hills in Jammu, Dudhwa ranges in Uttarakhand, Darjeeling hills in West Bengal, etc.
• River Teesta cuts across these ranges in Sikkim.
• Dhauladhar ranges
• It is the extension of Pir Panjal into Himachal Pradesh.
• They are cut across by the river Ravi.
• Mussoorie ranges are also a part of the lesser Himalayas.
• They divide the waters of Sutlej and Ganga

The correct answer is Nominated members of Rajya Sabha.

Key Points

• The Indian President is the head of the state.
• He is the first citizen of India and is a symbol of the solidarity, unity, and integrity of the nation.
• He is a part of the Union Executive along with the Vice-President, Prime Minister, Council of Ministers, and Attorney-General of India.
• There is no direct election for the Indian President. An electoral college elects him.
• The electoral college responsible for President’s elections comprises elected members of:
• Lok Sabha and Rajya Sabha
• Legislative Assemblies of the states
• Legislative Assemblies of the Union Territories of Delhi and Puducherry
• The following group of people is not involved in electing the President of India:
• Nominated Members of Lok Sabha (2) and Rajya Sabha (12)
• Nominated Members of State Legislative Assemblies
• Members of Legislative Councils (Both elected and nominated) in bicameral legislatures
• Nominated Members of union territories of Delhi and Puducherry
• The President holds office for five years.

The correct answer is Latent heat of fusion.

Key Points

• Latent heat of Fusion:
• It is defined as the amount of heat energy that is required to change 1 kg of a solid into liquid at atmospheric pressure at its melting point. Or
• The amount of heat required per unit mass of a substance at the melting point to convert it from the solid to the liquid state is called the latent heat of fusion of solid.
• Its unit is cal/gram.
• Example: Latent heat of fusion of ice
• The amount of heat required to convert per unit mass of the ice into the water at 0°C temperature is called the latent heat of fusion of ice.
• Latent heat of fusion of ice (L) = 80 cal/gram

Additional Information

• Latent heat of vaporization of liquid:
• The amount of heat required to vaporize a unit mass of liquid at its boiling point is called the latent heat of vaporization.
• Example: Latent heat of vaporization of water or latent heat of steam
• The amount of heat required to convert into the steam of a unit mass of water at its boiling point (100°C) is called the latent heat of vaporization of water or latent heat of steam.
• Latent heat of steam(L) = 540 cal/gram
• ​Latent heat of condensation:
• The conversion of water vapour into the water is caused by the loss of heat called Latent heat condensation.
• Condensation depends upon the amount of cooling and the relative humidity of the air.
• Latent heat of sublimation:​​
• The amount of heat required to convert the unit mass of the solid to vapour is called the latent heat of sublimation. ​
• When a solid is heated at a constant pressure, which is lower than that of the triple point, it does not melt but gives of its vapour directly, this process is known as sublimation.
• The system consists of two phases, the solid and the vapour.
• The resulting two-phase system behaves essentially identically with the other two types of two-phase systems.
• The intensive state of the system has one degree of freedom.
• The process of sublimation at constant pressure and temperature, like the process of melting or evaporation, requires the addition of the latent heat of sublimation.

The correct answer is Charles Leclerc.

Key Points

• Ferrari's 21-year-old driver Charles Leclerc won his 2^nd successive Formula One race when he held off Valtteri Bottas and Lewis Hamilton at the Italian Grand Prix in 2019.
• Leclerc, who started from pole position, was roared on by the passionate Ferrari Tifosi and he let out an equally joyful cry as he crossed the line 0.8 seconds ahead of Valtteri Bottas and 35.1 seconds ahead of championship leader Lewis Hamilton.
• Charles Leclerc belongs to Monaco.
• Born 16^th October 1997.

Additional Information

The correct answer is **P.

V. Sindhu**.

Key Points

• P.V. Sindhu was appointed as the brand ambassador of Visa - the payment technology company in 2019.
• P.V Sindhu is an Indian Badminton player.
• She made her international debut at The Sub-Junior Asian Badminton Championships in 2009.
• She was also the first Indian to win two back-to-back medals in the BWF World Badminton Championships in 2014.
• She became the youngest and the first female athlete from India to win a silver medal at Rio Olympics in 2016.

Important Points

• Visa Incorporation is a global payments technology company.
• It is headquartered in the U.S.
• It enables consumers, businesses, banks and governments to use digital currency.
• VISA CEO: Alfred F Kelly Jr.

The correct answer is Alwar.

Key Points

• The Matsya Festival is a colourful, multi-day fiesta celebrated in Alwar, Rajasthan and is one of the most prominent festivals of the state.
• Alwar is one of the oldest cities in Rajasthan and its prehistoric and historical sites are an archaeologist's delight.
• The Matsya festival is believed as a festival to show respect to the forefathers and their culture.
• It is held every year in the month of November.

Additional Information

P = Principal amount

R = rate of interest

T = Time period

S.I = (P × R × T)/100

Given:

P = Rs. 4860

R = 20%

T₁ = 6 years

T₂ = 5 years

A.T.Q

⇒ x = S.I for 6 years

⇒ x = (4860 × 20 × 6)/100

⇒ x = 583200/100

⇒ x = 5832

⇒ y = S.I for 5 years

⇒ y = (4860 × 20 × 5)/100

⇒ y = 486000/100

⇒ y = 4860

Thus x - y = (5832 - 4860) = Rs. 972

Assume; 

Total Marks in Exam = X

Marks of A = 60% of Total Marks

= 60X/100

Marks of B = 25% of Total Marks

= 25X/100

According to question;

Passing marks of A and B are same.

Marks of A - 84 = Marks of B + 63

60X/100 - 84 = 25X/100 + 63

60X/100 - 25X/100 = 63 + 84

35X/100 = 147

X = (147 × 100)/35

X = 420

Hence, total marks is 420.

Let; Sum of 36 values = X

Then;

Average = Sum of 36 values/36

75 = X/36

X = 2700

According to questions, each value is multiplied by 4;

New Average = (Sum of 36 values × 4)/36

= (2700 × 4)/36

= 75 × 4

= 300

Hence, the new average of numbers is 300.

Let breadth of the rectangle be b.

Then, length = (b + 9)

According to the question,

2(b + b + 9) = 150

⇒ 2b + 9 = 75

⇒ 2b = 66

⇒ b = 66/2 = 33 cm

Now, Breadth = 33 cm

Length = 33 + 9 = 42 cm

Area of the circle = Area of the rectangle

πr² = Length × Breadth

⇒ 22/7 × r² = 33 × 42

⇒ r² = (33 × 42 × 7)/22 = 21²

⇒ r2 = 21² 

⇒ r = 21 cm

∴ The radius of circle is 21 cm.

Calculation:

\(A = \dfrac{2 + 3 - 8 × 2 - (5 \div 8 × 4)}{5}\)

⇒ A = [2 + 3 - 8 × 2 - (0.625 × 4)]/5

⇒ A = (2 + 3 - 16 - 2.5)/5

⇒ A = (5 - 18.5)/5 = -13.5/5 = -2.7

\(B = \dfrac{8-5 × 3 \div 1.5 - 2 + 5 }{5}\)

⇒ B = (8 - 5 × 2 - 2 + 5)/5

⇒ B = (8 - 10 - 2 + 5)/5

⇒ B = 1/5 = 0.2

Now,

A + B = -2.7 + 0.2 = -2.5

∴ The value of A + B is -2.5.

Speed of the car = 20 km/h

20 km distance is travelled in 1 h.

1 km distance travelled in (1/20) × 60 = 3 min

So, 80 km distance travelled in (80 × 3) = 240 min = 4 hour

He stops for 10 minutes at end of every 12 km.

then, he stops in 80 km = 80/12 = 6 times

So, total time = 240 + (6 × 10)

= 300 min

Hence, 300 minutes is the correct answer.

Given: 

(p – q) : (q – 2r) : (r – s) = 3 : 4 : 7

Find:

(p + s) : r ?

Assume:

(p – q) = 3x ----(1)

(q – 2r) = 4x ----(2)

(r – s) = 7x -----(3)

From equation (1), (2), and (3);

(1) + (2) - (3)

(p - q) + (q - 2r) - (r - s) = 3x + 4x - 7x

⇒ p - q + q - 2r - r + s = 0

⇒ p - 3r + s = 0

⇒ p + s = 3r

⇒ (p +s)/r = 3/1

So, (p + s) : r = 3 : 1

Hence, option (3) is the correct answer.

Assume;

Cost Price = X Rs.

If Selling Price = 780 Rs.

Profit = SP - CP

Profit = 780 - X

If Selling Price = 260 Rs.

Loss = CP - SP

Loss = X - 260

According to question;

Profit = 6/7 × Loss

(780 - X) = 6/7 × (X - 260)

7 × (780 - X) = 6 × (X - 260)

5460 - 7X = 6X - 1560

6X + 7X = 5460 + 1560

13X = 7020

X = 540

So, Cost Price = 540 Rs.

For 65% profit;

Selling Price = 65% of Cost Price + Cost Price

= (65 × 540)/100 + 540

= 351 + 540

= 891

Hence, 891 is the correct answer.

Given:

Number of employees present for last three days of a week ( D4, D5, and D6) = 1200, 1235, and 1465 respectively,

Formula used:

Average = Sum of all observation/Total number of observation

Calculation:

Average = (1200 + 1235 + 1465)/3 = 3900/3 = 1300

∴ The average number of employees present for last three days of a week is 1300.

Given:

40 men working 6 hours per day can make 450 tables in 12 days

Formula used: 

M1D1H1/W1 = M2D2H2/W2

Where,

M1 = Men1 , D1 = Days1 

M2 = Men2 , D2 = Days2 

H1 = Hour1, H2 = Hour2

W1 = Work1 , W2 = Work2

Calculation:

According to the question,

M1D1H1/W1 = M2D2H2/W2

⇒ (40 × 12 × 6)/450 = (32 × D₂ × 2)/240

⇒ 32/5 = 32D₂/120

⇒ D₂ = 120/5 = 24 days

∴ The required day is 24 days.

Given data :

 

Difference between the number of cars manufactured by company C5 and C4 = (20000 - 18000) = 2000

Company C1 manufacture number of cars = 10000

A.T.Q

The difference between the number of cars manufactured by company C4 and C5 is what percentage of the number of cars manufactured by company C1 = (2000/10000) × 100

⇒ (1/5) × 100

⇒ 20%

Concept used:

For this type of questions, we take LCM of denominator of all powers,.

Calculation:

\(√ 5, √[3]{11}, 2 √[6]{3}\) 

√5 = 5^1/2 

\(\sqrt[3]{11}\) = (11)^1/3

\(2 \sqrt[6]{3}\) = 2 × (3)^1/6

LCM of (2, 3, and 6) = 6

√5 = 51/2 = 5^{1/2 × 6} = 5³ = 125

\(\sqrt[3]{11}\) = (11)1/3 = 11^{1/3 × 6} = 11² = 121

\(2 \sqrt[6]{3}\) = [(2) × (3)1/6] = (2)⁶ × (3)1/6 × 6 = 192

Now, we can clearly see, 

121 < 125 < 192, 

\(\sqrt[3]{11},\sqrt 5, 2 \sqrt[6]{3}\)

∴ The correct ascending order of the given value is \(\sqrt[3]{11},\sqrt 5, 2 \sqrt[6]{3}\).

Given:

Total amount = Rs. 8000

Right ratio = 5 : 6 : 9

Wrong ratio = 9 : 6 : 5

Calculation:

Wrong ratio = 9 : 6 : 5

Total sum of wrong ratio = 20

Total amount = Rs. 8000

Wrongly divided share of P, Q and R in Rs.

P = (8000/20) × 9 ⇒ 3600

Q = (8000/20) × 6 ⇒ 2400

R = (8000/20) × 5 ⇒ 2000

Right ratio = 5 : 6 : 9

Total sum of right ratio = 20

Right share of P, Q and R in Rs.

P = (8000/20) × 5 ⇒ 2000

Q = (8000/20) × 6 ⇒ 2400

R = (8000/20) × 9 ⇒ 3600

Gain in share of P = Rs. (3600 - 2000) ⇒ Rs. 1600

Gain in share of R = Rs. (2400 - 2400) ⇒ Rs. 0

Loss in share of Q = Rs. (3600 - 2000) ⇒ Rs. 1600

∴ R lost the most by Rs. 1600.

Calculation:

\(√[5]{15x + 5 } = 5\)

Both sides multiplying in power with 5.

⇒ \((√[5]{15x + 5 })^5 = 5^5\)

⇒ (15x + 5)^{1/5 × 5} = 5⁵

⇒ 15x + 5 = 3125

⇒ 15x = 3125 - 5 = 3120

⇒ x = 3120/15 = 208

∴ The value of x is 208.

Concept Used:

Upstream Speed = B - S

Downstream Speed = B + S

Time (T) = Distance (D)/Speed(S)

B = Speed of Boat

S = Speed of Stream

Calculation:

According to the question, we get

⇒ 12 = 80/(B - S)

⇒ 3 = 20/(B - S)

⇒ 3B - 3S = 20     ----(1)

Again,

⇒ 8 = 80/(B + S)

⇒ B + S = 10     ----(2)

From (i) and (ii), we get

B = 25/3 km/hr

C = 5/3 km/hr

∴ The speed of the boat in still water is 25/3 km/hr.

Formula used:

(a**^m**)ⁿ = a^mn

a^-m = 1/a^m

Calculation:

85/3 ÷ (125)-2/3

⇒ (2³)^5/3 ÷ (5³)^-2/3

⇒ 2⁵ ÷ 5^-2

⇒ 25 ÷ 1/5²

⇒ 25 × 5²

⇒ 800

∴ The value of: 85/3 ÷ (125)-2/3 is 800.

 

Given:

A =  total number of gold rings sold in city C2 and C4

A = 1000 + 1700

A = 2700

B = total number of gold rings sold in city C4, C5 and C6

B = 1700 + 2100 + 2500

B = 6300

A.T.Q

A is what percentage of B = (A/B) × 100

⇒ (2700/6300) × 100

⇒ .4285 × 100

⇒ 42.85%

Concept used:

Use BODMAS

Calculation:

2 + 3 × 2 – 7 ÷ 8 × 4 – 8 × 3 + 2

⇒ 2 + 3 × 2 – (7/8) × 4 - 8 × 3 + 2

⇒ 2 + 6 – (7/2) – 24 + 2

⇒ 10 - 27.5 = -17.5

∴ The value of ? is -17.5.

Given:

Number of employees working in a company in year 2001 = 96000.

Every year number of employees are increased = 20%

A.T.Q

After two years number of employees will be:

⇒ 96000 × 120/100 × 120/100

⇒ 96000 × 1.2 × 1.2

⇒ 138240

Given:

Height of Cylinder = 16cm

Radius of Cylinder = 12 cm

Height of Cylinder= 4 cm

Radius of Cylinder = 7 cm

Concept used:

Surface area of Remaining Solid = C.S.A of Cylinder + 2(C.S.A of Cylinder)

Where: C.S.A = Curved Surface Area

Formula used:

Curved Surface area of Cylinder = 2πRH

Total surface area of the cylinder = 2πRH + 2πR²

Curved Surface area of other Cylinder = 2πrh

Where:

R = Radius of Cylinder, H = Height of Cylinder

r = Radius of another cylinder, h = height of Cylinder

Calculation:

According to the question,

Total Surface area of Cylinder = 2πRH + 2πR2 = 2 × (22/7) × 16 × (12 + 16) = 2816 cm²

Curved Surface area of Cylinder = 2(2 × 22/7 × 7 × 4) = 352 cm²

Surface Area of Remaining Solid = 2816 cm2 + 352 cm2 

⇒ 3168 cm².

∴ The surface area of remaining solid is 3168cm2.

जो परिश्रमी व्यक्ति होता है, वह कभी खाली नहीं बैठता। 

• परिश्रमी - जो व्यक्ति दिन - रात मेहनत करता है।
• परिश्रमी शब्द उस व्यक्ति की विशेषता को दर्शाता है जो व्यक्ति दिन - रात मेहनत करता है।
• 'परिश्रमी' शब्द गुणवाचक विशेषण है।

Key Points

अन्य विकल्पों का विश्लेषण :

सुंदर - जो बाहरी तौर से अच्छी दिखाई दे, उसके लिए सुन्दर शब्द प्रयुक्त किया जाता है।

आलसी - जो किसी भी कार्य को करने में रूचि न दिखाए अथवा निष्क्रिय व्यक्ति को कहा जाता है।

भावहीन - जो व्यक्ति को आन्तरिक रूप से भावप्रधान नही है, उसे भावहीन कहा जाता है।

Additional Information

 

Important Points

रीना! आज तुमसे कोई मिलने आया था। इस वाक्य में 'कोई' शब्द अनिश्चयवाचक सर्वनाम है। क्योंकि कोई शब्द से अनिश्चितता का बोध होता है।

Key Points

• ‘कोई’ अनिश्चयवाचक सर्वनाम है।

Additional Information

अन्य विकल्प:

 

दिए गए विकल्पों में लाघव चिन्ह का प्रयोग ‘(०)’ यहाँ पर किया गया हैl

लाघव चिन्ह का प्रयोग हमेशा किसी बड़े तथा प्रसिद्ध शब्द को संक्षेप में लिखने के लिए उस शब्द का पहला अक्षर लिखकर उसके आगे शून्य (०) लगा देते हैं। यह शून्य ही लाघव-चिन्ह कहलाता है। 

Key Points

दिए गये विकल्पों मे से 'व्यस्त होने के कारण नीतिका फिल्म देखने नहीं गई।' यह व्याकरण की दृष्टि से शुद्ध वाक्य है।

Key Points

अन्य विकल्पों का विश्लेषण : 

दिए गये वाक्य में 'के आगे' यह एक अव्यय है, अतः यह स्थानवाचक क्रियाविशेषण अव्यय कहलाता है।

स्थानवाचक  क्रियाविशेषण - जो  क्रियाविशेषण क्रिया के होने या न होने के स्थान का बोध कराएँ ,

जैसे - यहाँ ,इधर ,उधर ,बाहर ,आगे ,पीछे ,आमने ,सामने ,दाएँ ,बाएँ आदि

( उधर मत जाओ)

Key Points

अव्यय के भेद : 

Additional Information

क्रियाविशेषण के चार भेद हैं -

1 - कालवाचक  क्रियाविशेषण - जिन शब्दों से कालसंबंधी क्रिया की विशेषता का बोध हो ,

• जैसे - कल ,आज ,परसों ,जब ,तब सायं आदि !
• • ( कृष्ण कल जाएगा । )

2 - स्थानवाचक  क्रियाविशेषण - जो  क्रियाविशेषण क्रिया के होने या न होने के स्थान का बोध कराएँ ,

• जैसे - यहाँ ,इधर ,उधर ,बाहर ,आगे ,पीछे ,आमने ,सामने ,दाएँ ,बाएँ आदि

( उधर मत जाओ । )

3 - परिमाणवाचक  क्रियाविशेषण - जहाँ क्रिया के परिमाण / मात्रा की विशेषता का बोध हो ,

• जैसे - जरा ,थोड़ा , कुछ ,अधिक ,कितना ,केवल आदि ! ( कम खाओ )

4 - रीतिवाचक  क्रियाविशेषण - इसमें क्रिया के होने के ढंग का पता चलता है ,

• जैसे - जोर से, धीरे -धीरे ,भली -भाँति ,ऐसे ,सहसा ,सच ,तेज ,नहीं ,कैसे ,वैसे ,ज्यों ,त्यों आदि !

( वह पैदल चलता है । )

ममता प्रतिभावान हैं क्योकि वह समझदार है। यह वाक्य मिश्र वाक्य का उदाहरण है।

अन्य विकल्प : 

• ममता समझदार और प्रतिभावान है। यह वाक्य संयुक्त वाक्य का उदाहरण है।
• ममता समझदार ही नहीं प्रतिभावान भी है। यह सरल वाक्य का उदाहरण है।
• ममता समझदार, प्रतिभावान है। ऐसा कोई वाक्य का प्रकार नही होता है।

Key Points

कोष शब्द का पर्यायवाची शब्द 'खजाना' होता है। 

कोष - धन संचित करने का स्थान।

Key Points

कोष का पर्यायवाची भंडार, खजाना, निधि। 

अन्य विकल्प:

Additional Information

प्रत्यक्ष शब्द का विपरीत अर्थ दर्शाने वाला शब्द 'परोक्ष' होता है।

प्रत्यक्ष यानी आँखों के सामने।

परोक्ष यानी आँखों के परे।

Key Points

अन्य विकल्प

 

दिए गये वाक्य में रेखांकित 'हमारी' शब्द उत्तम पुरुषवाचक का उदाहरण है।

'उत्तम पुरुष' सर्वनाम के पुरुषवाचक भेद का एक प्रकार है।

पुरुषवाचक सर्वनाम का प्रयोग वक्ता द्वारा स्वयं के लिए या अन्य व्यक्ति के लिए किया जाता है।

जैसे - मैं, हम, मुझे, तू, तुम, तुझे आदि।

 

पुरुषवाचक सर्वनाम के तीन भेद होते हैं

 

Additional Information

दिए गये वाक्य में 'सुन्दरता' शब्द भाववाचक संज्ञा का उदाहरण है। सुन्दर एक विशेषण है, इसमें भाववाचक 'ता' प्रत्यय लगाकर सुन्दरता शब्द बना है।

Key Points

• 'सुन्दरता' भाववाचक संज्ञा है।
• जो संज्ञा किसी भाव, गुण, दशा आदि का बोध कराती है।
• जैसे- मिठास, यौवन, गुस्सा आदि।

Additional Information

जो कमाएं सो खाए। इस वाक्य में हेतु - हेतुमद भविष्यकाल होगा, क्योंकि यहाँ पर एक क्रिया के पूरे होने पर दूसरी क्रिया की निर्भरता का बोध हो रहा है।

क्रिया के जिस रूप से एक कार्य का पूरा होना दूसरी आने वाले समय की क्रिया पर निर्भर हो उसे हेतुहेतुमद्भविष्य भविष्य काल कहते है।

 जैसे : वह आये तो मै जाऊं। वह कमाये तो मैं खाऊँ। जो कमाए सो खाए।

Key Points

अन्य विकल्प : 

सुनो सुनो वह क्या बोल रही है -

इस वाक्य में सुनो शब्द के बाद अल्पविराम (,) और फिर सुनो शब्द के बाद अल्पविराम (,) आएगा और अंत में वाक्य की समाप्ति के लिए पूर्ण विराम (।) का चिन्ह लगेगा।

अतः (, , ।) यह सही विकल्प है।

Key Points

विराम चिन्ह – भाषा के लिखित रूप में विशेष स्थानों पर रुकने का संकेत करने वाले चिन्हों को विराम चिन्ह कहते हैं।

हम अपने दुश्मनों को ______ समझते हैं। यहाँ पर 'गाजर मूली' सही और उचित मुहावरा होगा।

यहाँ पर गाजर मूली समझना इस मुहावरे से दुश्मनों को कमतर आंकने की कोशिश की गई है।

Key Points

अन्य विकल्प

Additional Information

गीत रचने वाले व्यक्ति को 'गीतकार' कहा जाता है।

Key Points

Additional Informationहिंदी भाषा में जब कई शब्दों के स्थान पर एक शब्द का प्रयोग किया जाये तो उसे वाक्यांश के लिए एक शब्द कहा जाता है। इसे "अनेक शब्दों के लिए एक शब्द" भी कहा जाता है।

जान में जान आना मुहावरे का अर्थ है - भय दूर होना। 

Key Points

 

 

Additional Information

'खेल' को भी व्यायाम का एक रूप माना जाता है, क्योंकि खेलो के माध्यम से व्यक्ति शरीर और मन दोनो प्रकार से स्वस्थ रहते है। 

गद्यांश में आया हुआ उल्लेख : 

1. खेलना भी व्यायाम का ही एक रूप है।

Key Points

अन्य विकल्प : 

• 'शिक्षा' शब्द का अर्थ हुआ सीखने-सिखाने की क्रिया। व्यापक अर्थ में शिक्षा किसी समाज में सदैव चलने वाली सोद्देश्य सामाजिक प्रक्रिया है।
• जिसके द्वारा मनुष्य की जन्मजात शक्तियों का विकास, उसके ज्ञान एवं कौशल में वृद्धि एवं व्यवहार में परिवर्तन किया जाता है और इस प्रकार उसे सभ्य, सुसंस्कृत एवं योग्य नागरिक बनाया जाता है।
• विद्यार्थी वह व्यक्ति होता है जो कोई चीज सीख रहा होता है। विद्यार्थी दो शब्दों से बना होता है - "विद्या" + "अर्थी" जिसका अर्थ होता है 'विद्या चाहने वाला'।
• विद्यार्थी किसी भी आयुवर्ग का हो सकता है बालक, किशोर, युवा, या वयस्क।
• भाषण : मुँह से कह या बोलकर कोई बात कहना। कही हुई बात। आपस में होनेवाली बातचीत या वार्तालाप।

इस गद्यांश में खेल और व्यायाम से जुडी बातों पर प्रकाश डाला गया है, अतः 'खेलों व व्यायाम का महत्व' उचित और सही विकल्प है। 

Key Points

अन्य विकल्पों का विश्लेषण: 

1. रोगी काया का महत्व यानी शरीर से जुडी हुई बातों का विश्लेषण।
2. विद्यार्थी जीवन यानी एक आदर्श विद्यार्थी की बातों का जिक्र करना।
3. अध्ययन का महत्व यानी किसी पढाई लिखाई से सम्बंधित बातों का उल्लेख करना।

विद्यार्थी का मानसिक स्वास्थ्य 'खेल अथवा खेलो से' अच्छा रहता है।

अतः प्रत्येक विद्यार्थी को खेलने का मौका देना चाहिये।

Key Points

अन्य विकल्प :

1. प्रतियोगिता का अर्थ : वह स्थिति जिसमें कोई व्यक्ति किसी चीज को ठीक समय से प्राप्त करने के लिए प्रयत्नशील हों।

                       किसी विशिष्ट उद्देश्य की सिद्धि या फल की प्राप्ति के लिए कुछ लोगों में आपस में होनेवाली चढ़ा ऊफरी या होड़।
2. लड़ाई का अर्थ : लड़ने-झगड़ने की क्रिया; कलह। 3. गीत का अर्थ : कोई भी गाने योग्य पंक्तियाँ।

वैदिक काल से हमारे पूर्वजों ने 'निरोगी काया' वाले शरीर को स्वस्थ माना है।

हमारे यहाँ कहावत भी प्रसिद्ध है: पहला सुख निरोगी काया।

काया यानी शरीर।

Key Points

• अन्य विकल्प :
• रोगी काया - रोगों से पीड़ित शरीर।
• अच्छी - बुरी आदते - हमारे द्वारा किये जाने वाले रोज के क्रियाकलाप चाहे वह अच्छा हो या बुरा।
• अस्वस्थ काया - जो शरीर स्वस्थ नही है, वह।

अध्ययन के साथ-साथ मनुष्य के लिए सर्वागीण विकास में 'व्यायाम' सहायक होता है।  व्यायाम से शरीर और मन दोनों को शान्ति का अहसास होता है। 

• मन और शरीर में एक प्रकार की ताजगी आ जाती है।

Key Points 

अन्य विकल्प :

1. नृत्य यानी नाचने की क्रिया।
2. पढाई यानी पढने की क्रिया।
3. बुरी आदते यानी असभ्य समाज में किये जाने वाले क्रियाकलाप।

The correct answer is 'finishes'.

Key Points

• In the given sentence the error lies in the incorrect usage of the verb 'finish'.
• Here, the subject i.e. 'she' is a third-person singular and will take a singular verb according to subject-verb agreement.
• Thus, the correct answer is option 1.

Therefore, the correct sentence is: 'She usually doesn’t leave for work until she finishes all her chores.'

Additional Information

• Subject-verb agreement: It states that if the subject is singular then the verb will be singular and if the subject is plural then the verb will also be plural.
• Example: 
• He is playing cricket.
• They are playing cricket.

The correct answer is 'one's'.

Key Points

• The error lies in the incorrect usage of the possessive pronoun 'ones'.
• 'Ones' needs to be replaced with the possessive adjective 'one's'.
• 'Ones' is a possessive pronoun and it is used to refer to ‘people in general’.
• Example: We endured the pain of separation from our loved ones, were frightened when the rockets came into camp, and lives were lost.
• 'One's' is a possessive adjective that sits before a noun (or a pronoun) to show who or what owns it.
• Thus, the correct answer is option 2.

Therefore, the correct sentence is: 'Books are one's best friends'. 

Additional Information

• Possessive pronoun: It is a pronoun indicating possession, for example mine, yours, hers, theirs.

The correct answer is '1', i.e. the error lies in this part of the sentence.

Key Points

• The error lies in the incorrect usage of the verb 'knows'.
• 'Knows' needs to be replaced with 'know'.
• The subject of the sentence i.e. 'we' is a third-person plural noun and will take a plural verb according to the subject-verb agreement.
• Thus, the correct answer is option 4.

Therefore, the correct sentence is: 'Now we know that the Earth goes round the sun.' 

Additional Information

• Subject-verb agreement: It states that if the subject is singular then the verb will be singular and if the subject is plural then the verb will be plural.
• Example: 
• He is planning a trip to the Maldives.
• They are planning a trip to the Maldives.

The correct answer is 'Low spirited'.

Key Points

• In the blues: It is an idiomatic phrase which means feelings of sadness and depression.
• Example: She went in the blues after the failure in the exam.
• Here, 'low spirited' is the right choice as it means unhappy or depressed.
• Thus, the correct answer is option 1.

The correct answer is 'QRSP'.

Key Points

• Statement Q will be the first in sequence as it is introducing the subject of the sentence i.e. 'his'.
• Statement R will follow Statement Q as it connects the verb 'improve' with its object 'himself' which is correct.
• Statement S will follow statement R as it the possessive adjective 'his' with its noun 'ability' which is correct.
• Statement P will be the last part.

Therefore, the correct sequence is QRSP.

• Sequence:
• Q: his promise to improve
• R: himself shows his
• S: ability to acknowledge
• P: his shortcomings

Additional Information

• Possessive adjective: The possessive adjectives are 'my,' 'your,' 'his,' 'her,' 'its,' 'our,' 'their,' and 'whose.' A possessive adjective sits before a noun (or a pronoun) to show who or what owns it.

The correct answer is '2', i.e. the error lies in this part of the sentence.

Key Points

• The error lies in the incorrect usage of the verb 'was start'.
• 'Was start' needs to be replaced with 'started'.
• Let's take a look at the given auxiliary verb 'was', it gives us a conclusion that the sentence is in the simple past tense.
• Simple past tense: It describes an action, that started in past, finished in past, and has no relation with the present or future.
• Structure: Subject + the second form of the verb.
• Example: He played tennis.
• Thus, from the above-given explanation, we can say that the correct answer is option 2.

Therefore, the correct sentence is: The car started with great difficulty.

The correct answer is 'QSPR'.

Key Points

• Statement Q will be the first in sequence as it is introducing the subject of the sentence i.e. 'She'.
• Statement S will follow Statement Q as it states the thought process of the person.
• Statement P will follow statement S as it connects the adjective 'mature' with the adverb 'enough' which is correct.
• Statement R will be the last part.

Therefore, the correct sequence is QSPR.

• Sequence:
• Q: she thinks
• S: she is mature
• P: enough to take
• R: her own decisions

Additional Information

• Adverb: a word that adds to the meaning of a verb, an adjective, another adverb, or a whole sentence.
• Example: He ran slowly.
• Adjective: a word that describes a noun or pronoun.
• Example: Black hat.

The correct answer is 'Whole'.

Key Points

• Let's explore the meaning of the given word and the marked word.
• Entire: used when you want to emphasize that you mean all of a group, period of time, amount etc
• Example: It was the worst day in my entire life.
• Whole: all of something.
• Example:You have your whole life ahead of you!
• Thus, from above we can say that both 'Entire' and 'Whole' are synonyms to each other.
• Therefore, the correct answer is option 3.

Additional Information

• Let's explore the other options: