SSC GD Constable Previous Year Paper (Held on: 3rd December 2021 Shift 3)

The faces opposite to each other are shown below:

⇒ As the alternate positions becomes opposite to each other and the remaining two faces becomes opposite to each other.

So, opposite pairs are:

• 1 → 4
• 2 → 3
• 6 → 5

Therefore, '3' faces '2'.

Hence, "2" is the correct answer.

Given:

• The image must not to be rotated

Hence, the correct answer is "Option - (1)".

Logic : Each word is written in reverse order.

So,

• PERHAPS is written as :

Reverse order → SPAHREP

Similarly,

• CHEWING is written as :

Reverse order → GNIWEHC

Hence, "GNIWEHC" is the correct answer.

The correct mirror image of the given combination when mirror is placed at PQ is as shown below:

Detailed Explanation:

• The line PQ is the mirror
• The word "XGfq5K" the third letter is "f". So, the mirror image should be "

" ⇒ Option 1 is eliminated.

• The word "XGfq5K" the fourth letter is "q". So, the mirror image should be "p" ⇒ Option 2 is eliminated..
• The word "XGfq5K" the second digit is "5". So, the mirror image should be "

" ⇒ Option 4 is eliminated.

Hence, the correct answer is "Option - (3)".

Logic : (First number × Third number) + (First number + Third number + 1) = Second number 

Given : (13, 224, 15) 

(13 × 15) + (13 + 15 + 1) = 224

195 + 29 = 224

224 = 224 (LHS = RHS)

So,

• (9, 108, 12)

​(9 × 12) + (9 + 12 + 1) = 108

108 + 22 = 108

130 ≠ 108 (LHS ≠ RHS)

• (22, 350,16)

​(22 × 16) + (22 + 16 + 1) = 350

352 + 39 = 350

391 ≠ 350 (LHS ≠ RHS)

• (17, 396, 21)

​(17 × 21) + (17 + 21 + 1) = 396

357 + 39 = 396

396 = 396 (LHS = RHS)

Hence, "(17, 396, 21)" is the correct answer.

Given equation : 28 × 3 + 14 – 45 ÷ 9 = 65

Now, by interchanging the numbers

• Option - (1) : 14 and 3

​28 × 14 + 3 - 45 ÷ 9 = 65

28 × 14 + 3 - 5 = 65

392 + 3 - 5 = 65

395 - 5 = 65

390 ≠ 65 (LHS ≠ RHS)

• Option - (2) : 14 and 28​

​14 × 3 + 28 - 45 ÷ 9 = 65

14 × 3 + 28 - 5 = 65

42 + 28 - 5 = 65

70 - 5 = 65

65 = 65 (LHS = RHS)

• Option - (3) : 14 and 9

28 × 3 + 9 - 45 ÷ 14 = 65

28 × 3 + 9 - 3.21 = 65

84 + 9 - 3.21 = 65

93 - 3.21 = 65

89.79 ≠ 65 (LHS ≠ RHS)

• Option - (4) : 28 and 45

​45 × 3 + 14 - 28 ÷ 9 = 65

45 × 3 + 14 - 3.11 = 65

135 + 14 - 3.11 = 65

149 - 3.11 = 65

145.89 ≠ 65 (LHS ≠ RHS)

Hence, "14 and 28" is the correct answer.

The figure that will replace the question mark (?) in the following figure series is shown below:

⇒The figure in the box is rotating 90º clockwise at the same position.

Hence, "Option - (2)" is the correct answer.

Given : BCD_B_DDBC_D_CDD

By checking options :

1. BCBB → BCDBBCDDBCBDBCDD → (It doesn't Follows the pattern)
2. DCDB → BCDDBCDDBCDDBCDD → (It follows the pattern of : BCDD - BCDD - BCDD - BCDD)
3. CCDB → BCDCBCDDBCDDBCDD → (It doesn't Follows the pattern)
4. CBDB → BCDCBBDDBCDDBCDD → (It doesn't Follows the pattern)

⇒Option - (2) gives the pattern of "BCDD - BCDD - BCDD - BCDD"

Hence, "DCDB" is the correct answer.

Given : Pankaj, Alpesh, Srikumar, Dinesh, Neeraj and Maninder are sitting in six different rows with one person in each row, exactly one after another. 

Explanation :

1. Dinesh is sitting in the last row.

2) There are four persons before Alpesh

3)  Pankaj is just before Alpesh. 

4) Srikumar is just after Neeraj. 

5) Maninder is not in the first row.

Thus, according to the final arrangement Pankaj is sitting just after Maninder.

Hence, "Pankaj" is the correct answer.

The pattern followed here is : The power of (4) is increasing.

Hence, "1024" is the correct answer.

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

Conclusions:

I. Some phones are wires. → Follow (As all wires are phones. So, it is definitely true)

II. No wire is a speaker → Follow (As no speaker is a phone, all wires are phones. So, it is definitely true)

III. No phone is a speaker → Follow (As no speaker is a phone. So, it is definitely true)

∴ Here,  All of the conclusions follow.

Hence, the correct answer is "All of the conclusions follow".

Logic :

• Sum of the position value of first two letters of first part = Position value of the first letter of the second part
• Sum of the position value of last two letters of first part = Position value of the second letter of the second part

So,

• ADIJ : ES

​

​Similarly,

• BDGH : ?

​

Hence, "FO" is the correct answer.

The logic followed here is :

• Atlantic is name of the ocean.

Similarly,

• Panama is name of the canal.

Hence, "Canal" is the correct answer.

Additional Information

1. Continent - a mainland contrasted with islands.
2. Canal - an artificial waterway constructed to allow the passage of boats or ships inland or to convey water for irrigation.
3. Language - a system of communication used by a particular country or community.
4. Transportation - a system or means of transporting people or goods.

The pattern followed here is :

• (Each number is multiplied by 2) + Number series
• Number series - 3, 4, 5, 6 and 7 is added in this serial order.

Hence, "535" is the correct answer.

The pattern followed here is :

• (1) is added to position value of each letter.
• Single digit position value - code is written in small letters.
• Double digits position value - Code is written in capital letters.

So,

• TARGET is coded as :

• FLOW is coded as :

​

Similarly, 

• MACROS is coded as :​

Hence, "NbdSPT" is the correct answer.

So, according to the question :

1) Vivek is the only son of Dayal.

2) Malti is the daughter of the father-in-law of Vivek's wife.

There are two possible cases i.e either Dayal is the father-in-law of Vivek's wife or Dayal is the mother-in-law of Vivek's wife.

• Case - (1)

​

• Case - (2)

​

3) Sushmita is the sister of Malti. 

• Case - (1)

• Case - (2)

4) Arpit is the grandson of Neetu, who is the wife of Dayal.

Arpit is the son of Vivek as no other children of Dayal and Neetu are married yet.

Also Neetu is the mother-in-law and Dayal is the father-in-law of Vivek's wife. Therefore case - (2) is eliminated.

• Case - (1)

​

Thus, according to the final family tree Vivek's wife is the mother of Arpit.

Hence, "Mother" is the correct answer

Logic : The difference between the position value is 5.

So,

• RVB

• GLQ

• TYD

​

• NSX

Thus, Only in RVB the difference between the position value of each letter is not 5.

Hence, "RVB" is the correct answer.

Given : Seven persons P, Q, R, S, T, U and V are sitting in a straight horizontal line facing the north. 

Explanation :

1) T is at one of the corners.

2) T is third to the left of R

As T is third to the left of R, thus T is sitting at the left end.

3) U is second to the left of R.

4) S is third to the right of P.

5)  Q is second to the left of V.

Thus, T and V are sitting at the left end and right end respectively.

Hence, "V" is the correct answer.

According to given figure:

The figure will appear when it is opened as follows:

Hence, "Option - (3)" is the correct answer.

Logic : 

• First letter and second letter - (1) is subtracted from the position value.
• Third letter and fourth letter - (1) is added to the position value​​

So,

Hence, "LDQX" is the correct answer.

Logic : Square of (Second number - 2) + 1 = First number

So,

• 50 : 9

$(9 - 2)^2$ + 1 = 50

$(7)^2$ + 1 = 50

49 + 1 = 50

50 = 50 (LHS = RHS)

• 82 : 11

$(11 - 2)^2$ + 1 = 82

$(9)^2$ + 1 = 82

81 + 1 = 82

82 = 82 (LHS = RHS)

Similarly,

• ? : 14

$(14 - 2)^2$ + 1 = ?

$(12)^2$ + 1 = ?

144 + 1 = ?

? = 145

Hence, "145" is the correct answer.

The set of classes the relationship among which is best represented by the following Venn diagram is shown below:

The Venn diagram shows three different areas or categories.

1. Women, Drivers, Architects - Women can be both drivers and architects, so both drivers and architects will come inside women ⇒ Option - (1) eliminated
2. Cars, Vehicles, Scooters - Cars and scooters are types of vehicles, so cars and scooters will come inside vehicles ⇒ Option - (2) eliminated
3. Doctors, Tax-payers, Nurses - Doctors and nurses are taxpayers, so both doctors and nurses will come inside taxpayers ⇒ Option - (3) eliminated
4. Printers, Televisions, Washing machine - Printers, televisions and washing machine are three different types of electronic equipments.

Hence, "Printers, Televisions, Washing machine" is the correct answer.

According to the sequence in the dictionary:

4. Hippo
5. Hire
6. Hitch
7. Home

Hence, the correct option is "4, 3, 1, 2".

Given : Piyush buys 4 blankets at the rate of ₹450 per blanket. 

Explanation :

Cost price of 4 blankets at the rate of ₹450 per blanket = (4 × 450) ⇒ ₹1800

So, Piyush buys 4 blankets at the cost of = ₹1800

Now, According to the question

• He sells these 4 blankets to Gopi and earns a profit of 12% on his investment.

​

So, Piyush sold at the profit of:

= 1800 (12/100)

= Rs 216

Selling price = Cost price + Profit 

= 1800 + 216

= Rs 2016

• Gopi further sells all 4 blankets to Pritam and earns 15% profit.

​

So, Gopi sold at the profit of:

= 2016 (15/100)

= Rs 302.4

Selling price = Cost price + Profit 

= 2016 + 302.4

= Rs 2318.4

​Thus, according to the question the price at which Pritam bought one blanket is:

For 4 blankets cost price for Pritam is = Rs 2318.4

Therefore, for 1 blanket cost price is = 2318.4/4 ⇒ Rs 579.6

Hence, "₹579.60" is the correct answer.

Logic : Each letter's position is multiplied by (2).

So,

• ULTRA is coded as :

Similarly,

• FUMING is coded as :

Hence, "124226182814" is the correct answer.

The correct answer is 2013.

Important Points 

• The Food and Agriculture Organisation of the United Nations (FAO) declared Kuttanad's below sea level farming system a 'Globally Important Agricultural Heritage System' (GIAHS) in the year 2013.
• The Globally Important Agricultural Heritage Systems (GIAHS) are agroecosystems inhabited by communities that live in intricate relationships with their territory.
• Since 2005, FAO has designated 62 systems in 22 countries as agricultural heritage sites.
• In India, there are 3 GIAHS: Saffron Farming in Kashmir, Koraput Traditional Agriculture of Odisha, and Kuttanad Below Sea Level Farming System of Kerala.
• Kuttanad Below Sea Level Farming System is unique, as it is the only system in India that favours rice cultivation below sea level in the land created by draining delta swamps in brackish waters.
• The concept of Globally Important Agricultural Heritage Systems (GIAHS) is distinct from a conventional heritage site or protected area/landscape.

The correct answer is Captain Alexander Read.

Key Points

• Captain Alexander Read​ devised the Ryotwari system during British rule in India.
• Ryotwari System
• It was introduced by Thomas Munro in 1820.
• This was the primary land revenue system in South India.
• Major areas of introduction include Madras, Bombay, parts of Assam and Coorg provinces of British India.

Additional Information

• Permanent Settlement
• It was introduced by Cornwallis in 1793 through the Permanent Settlement Act. Hence, Pair 4 is not correctly matched.
• It was introduced in the provinces of Bengal, Bihar, Orissa, and Varanasi.
• Also known as Permanent Settlement System.
• Mahalwari system
• • It was introduced in 1822 by Holt Mackenzie. Later, the system was reformed during the period of William Bentick (1833).

The correct answer is Myanmar Navy.

Key Points 

• Myanmar inducted a submarine it received from India into its navy, which late intensified its maritime security cooperation with its neighbors as well as other nations in the Indo-Pacific region.
• The INS Sindhuvir, an Indian Navy Kilo-class submarine, has been renamed UMS Minye Theinkhathu.
• It was commissioned on the occasion of its 73^rd anniversary by the Myanmar navy. It is the first submarine that the Myanmar Navy has acquired.
• Three years after China gave two submarines to Bangladesh in 2017, India handed the INS Sindhuvir over to Myanmar.

Additional Information 

• The INS Sindhuvir was in command of the Indian Navy since 1988. Hindustan Shipyard refitted it before it was handed over to the Myanmar Navy earlier this year.
• The Indian Navy also made plans to run the submarine for the Myanmar Navy's staff.

The correct answer is 1814.

Important Points

• The Indian Museum in Kolkata also referred to as the Imperial Museum at Calcutta, is the largest and oldest museum in India.
• It was founded by the Asiatic Society of Bengal in Kolkata (Calcutta), India, in 1814.
• Indian Museum is the earliest and the largest multipurpose Museum not only in the Indian subcontinent but also in the Asia-Pacific region of the world.
• It has rare collections of antiques, armour and ornaments, fossils, skeletons, mummies, and Mughal paintings.

Additional Information

• The Famous Museums in India
• National Museum, Delhi.
• Indian Museum, Kolkata.
• Government Museum, Chennai.
• Chhatrapati Shivaji Vastu Museum, Mumbai.
• Shankar’s International Dolls Museum, Delhi.
• Salar Jung Museum, Hyderabad.
• National Rail Museum, Delhi.
• Calico Museum, Ahmedabad.
• Dr. Bhau Daji Lad Museum, Mumbai.
• Napier Museum, Trivandrum.

The correct answer is Dharamapala.

Key Points

• Dharmapala was the founder of Vikramshila university.
• Dharmapala was the second ruler of the Pala Empire of Bengal and Bihar regions in the Indian subcontinent.
• He was the son and successor of Gopala, the founder of the Pala Dynasty.

Additional Information

• Vikramshila University:
• Vikramashila University was established by King Dharmapala.
• Vikramashila is located in Bhagalpur, Bihar.
• Found during the eighth-century period in response to a supposed decline in the quality of scholarship at Nalanda.
• Bhaktiyar Khilji had destroyed the university in the 12^th Century.
• Vikramshila is an ancient site located 40 km away from the Bhagalpur city of Bihar.
• The small town is famous for housing Vikramshila University, which was built under the guidance of Dharmapala, a Pala King of the 8^th century AD.
• Situated on top of the hills along the banks of the river Ganges, the university became a learning centre of Tantric Buddhism.
• Over the years, Vikramshila became one of the most popular Buddhist destinations in India and a major tourist spot in Bihar.
• Nalanda University:
• It is Formed By Emperor Kumar Gupta In The Fifth Century A.D.
• The Leading Centre of Teaching of Mahayana Buddhism.
• At The End Of the 12^th Century, Invader Bakhityar Khilji Demolished The Monastery, Killed The Monks, And Burned The Valuable Library.

The correct answer is 1951.

Key Points

• India won the Asian Games football gold medal for the first time in 1951.
• The first Asian Games was hosted by India in 1951.
• It is a continental multi-sports event held every four years among athletes from all over Asia.
• The motto of the Asian Games is 'Ever Onward'.
• ​The first Asian Games began on March 4, 1951, in New Delhi.
• It is also known as 'Asiad'.
• It was regulated by the Asian Games Federation from 1951 to 1978.
• Since 1982, the Olympic Council of Asia now regulates the Asian Games.

Additional Information

The correct answer is Compost.

Key Points

• Compost is a biodegradable form of solid waste.
• It is a mixture of ingredients used as plant fertilizer and improves soil's physical, chemical and biological properties.
• It is commonly prepared by decomposing plant and food waste, and recycling organic materials and manure.

Additional Information

• Waste materials are either liquid or solid in form, and their components may be either hazardous or inert in their effects on health and the environment.
• The term waste is typically applied to solid waste, sewage (wastewater), hazardous waste, and electronic waste.

The correct answer is Mishmi.

Key Points

• Tamladu (or Tamla Du) is a festival celebrated by the Mishmi tribe.
• Tamladu is one of the ancient and popular festivals observed in the Lohit district of Arunachal Pradesh, it is a prayer offered to the God of Earth and God of Earth.

Additional Information

• The Mishmi or Deng people of Tibet and Arunachal Pradesh are an ethnic group comprising mainly three tribes: Idu Mishmi (Idu Lhoba); Digaro tribe.
• The Tutsa are a Naga tribe living in the western parts of Changlang and Khimiyong circles.
• The Wancho are Naga indigenous people inhabiting the Patkai hills of Longding district in the Indian state of Arunachal Pradesh.

The correct answer is YES Bank.

Key Points

• YES Bank struggled to address the issue of capitalisation and subsequently Reserve Bank of India took over its management in 2020.
• On March 5, 2020, the Reserve Bank of India (RBI) imposed a 30-day moratorium on YES Bank.
• Superseded the private-sector lender’s board, and appointed Prashant Kumar, who was serving as chief financial officer and deputy managing director at State Bank of India (SBI), as an administrator.

Additional Information

• Yes Bank is an Indian Private Sector Bank that was established in the year 2004.
• It was jointly founded by Ashok Kapoor and Rana Kapoor.
• Headquarters: Mumbai, Maharashtra.

The correct answer is Kushinagar.

Key Points

• Lord Buddha gave his last sermon at the Kushinagar district of Uttar Pradesh.
• Since then Kushinagar became the place of Buddhist pilgrimage.
• Kushinagar is also known as Kusinara, as it is home to many pilgrimages for Buddhism followers in India and worldwide.
• Ramabhar Stupa in Kushinagar was built with a portion of the Buddha's ashes on the place where his cremation took place.

Additional Information

• Lord Buddha was an ordinary person named Siddhartha Gautama, whose profound insights inspired the world.
• He was born into the royal family of the Sakya clan who ruled from Kapilvastu, in Lumbini which is situated near the Indo-Nepal Border.
• At the age of 29, Gautama left home and rejected his life of riches, and embraced a lifestyle of asceticism or extreme self-discipline.
• After six years of hardship, Gautama attained Bodhi (enlightenment) under a pipal tree at Bodhgaya a village in Bihar.
• Buddha gave his first sermon in the village of Sarnath, near the city of Benares in UP.
• This event is known as Dharma-Chakra-Pravartana (turning of the wheel of law).
• He died at the age of 80 in 483 BCE at a place called Kushinagara a town in UP.
• The event is known as Mahaparinibban.

The correct answer is Hans Christian Andersen.

Key Points

• 'The Emperor's New Clothes' is a children's story by Hans Christian Andersen.
• He was a Danish author.
• His most famous fairy tales include:
• "The Emperor's New Clothes",
• "The Little Mermaid",
• "The Nightingale",
• "The Steadfast Tin Soldier",
• "The Red Shoes",
• "The Princess and the Pea",
• "The Snow Queen",
• "The Ugly Duckling",
• "The Little Match Girl", and
• "Thumbelina".

Additional Information

• Enid Mary Blyton was an English children's writer, whose books have been worldwide bestsellers since the 1930s, selling more than 600 million copies.
• Roald Dahl was a British novelist, short-story writer, poet, screenwriter, and wartime fighter ace of Norwegian descent.
• Oscar Fingal O'Flahertie Wills Wilde was an Irish poet and playwright.

The correct answer is Spain's.

Key Points

• Indian economist and Nobel Laureate Amartya Kumar Sen has been conferred with Spain's top Princess of Asturias Award in the social sciences category.
• He was selected out of the 41 candidatures from 20 nationalities put forward for the award.
• The award comprises a Joan Miro sculpture representing and symbolising the Award, a diploma, an insignia, and a cash prize of 50,000 Euros.
• The Princess of Asturias Award for Social Sciences is granted to "creative and/or research work in the field of history, law, linguistics, teaching, political science, psychology, sociology, ethics, philosophy, geography, economics, demography or anthropology, as well as in the disciplines corresponding to each of these fields.

Additional Information

• Amartya Sen is an Indian economist and philosopher.
• He has made contributions to welfare economics, economic and social justice, social choice theory, economic theories of famines, development economics, decision theory, public health, etc.
• In 1998, he has been awarded Nobel Memorial Prize in Economic Sciences and Bharat Ratna in 1999 in the category of welfare economics.

The correct answer is Nihal Sarin.

Key Points

• Indian player Nihal Sarin the 2020 Junior Speed online Chess Championship.
• Indian chess prodigy Nihal Sarin has won the Gazprom Brilliancy Prize.
• The award is given to the best game from the FIDE Online World Cadets and Youth Championship played during December.
• Sarin had beaten Francesco Sonis 1.5-0.5 in the Open Under-18 section on the way to winning the gold medal at the event.

Additional Information

• International Master Mitrabha Guha has become the 72^nd Grandmaster of India.
• Rameshbabu "Pragg" Praggnanandhaa is an Indian chess grandmaster.
• Dommaraju Gukesh, better known as Gukesh D, is an Indian chess grandmaster.

The correct answer is 1972.

Key Points

The Wild Life (Protection) Act, 1972

• The Parliament of India enacted the ACT by the parliament of India on 9 Sept 1972 for the protection of plants and animal species.
• The Government of India implemented the Wildlife Protection Act of 1972 with the purpose of efficiently protecting the wildlife of this country and further controlling hunting, smuggling, and illegal trade in wild animals and their derivatives.
• The National Tiger Conservation Authority (NTCA) has been constituted under section 38 L (1) of the Wildlife (Protection) Act, 1972.

Additional Information

• It has six schedules that give varying degrees of protection.
• Schedule I and part II of Schedule II provide absolute protection - offences under these are prescribed the highest penalties.
• Species listed in Schedule III and Schedule IV are also protected, but the penalties are much lower.
• The specified endemic plants in Schedule VI are prohibited from cultivation and planting.

The correct answer is Greek.

Key Points

• The term 'ecology' is derived from the Greek word 'Oekologie'.
• The word “Ecology” was coined by “Ernst Haeckel”.
• It is the branch of biology that studies organizations in their environment.
• Ecology word is taken from the Greek word Oekologie, Oikos meaning “House” and logos meaning “Study”.
• Ecology is the study of the household.

Additional Information

• All organisms such as plants, animals, microorganisms and human beings as well as the physical surroundings interact with each other and maintain a balance in nature.
• All the interacting organisms in an area together with the non-living constituents of the environment form an ecosystem.
• The term ecosystem was coined by Tansley.
• Components of an ecosystem:
• Biotic Components: 
• It includes producers, consumers and decomposers.
• All living things have a direct or indirect influence on other organisms in an environment.
• Example: plants, animals, microorganism etc.
• Abiotic components: 
• All the in-organic components of the ecosystem, non-living physical and chemical composition of nature are abiotic components.
• Example: stones, water, humus (organic waste), air etc.

The correct answer is The UK.

Key Points

• The important provisions borrowed from Britain are:
• Parliamentary form of government
• Rule of Law.
• Single Citizenship.
• Office of Comptroller and Auditor General of India.
• Bicameralism.
• Writs.

Additional Information

• Some of the features are borrowed from the different constitutions of the world.
• British constitution: Parliamentary government, Rule of Law, legislative procedure, single citizenship, cabinet system, prerogative writs, parliamentary privileges, and bicameralism.
• US Constitution: Fundamental rights, independence of the judiciary, judicial review, impeachment of the president, removal of Supreme Court and high court judges, and post of vice-president.
• Irish Constitution: Directive Principles of State Policy, the nomination of members to Rajya Sabha, and method of election of the president.
• Canadian Constitution: Federation with a strong Centre, vesting of residuary powers in the Centre, the appointment of state governors by the Centre, and advisory jurisdiction of the Supreme Court.
• Australian constitution: Concurrent List, freedom of trade, commerce and intercourse, and a joint sitting of the two Houses of Parliament.
• Weimar Constitution: Suspension of Fundamental Rights during Emergency.
• Soviet Constitution: Fundamental duties and the ideal of justice (social, economic, and political) in the Preamble.
• French Constitution: Republic and the ideals of liberty, equality, and fraternity in the Preamble.
• Japanese Constitution: Procedure established by Law.
• South African Constitution: Procedure for amendment of the Constitution and election of members of Rajya Sabha.

The correct answer is Shankar Lakshman.

Key Points

• Shankar Lakshman was the first goalkeeper to become the captain of an international hockey team.
• He was an Indian hockey player from Mhow in present-day Indore.
• He was the goalkeeper of the Indian team in the 1956, 1960, and 1964 Olympics, which won two gold medals and one silver medal.

Additional Information

• Birendra Lakra is an Indian professional field hockey player.
• Richard J. Allen is an American television soap opera writer.
• Parattu Raveendran Sreejesh is an Indian professional field hockey player who plays as a goalkeeper and former captain of the Indian national team.

The correct answer is ₹2 lakhs.

Key Points 

• The Reserve Bank of India has made enhancements to the Indo-Nepal Remittance Facility Scheme.
• The ceiling per transaction has been increased four-fold to ₹2 lakh and the cap of 12 remittances in a year per remitter has been removed.
• The enhancements have been announced to boost trade payments between the two countries.

Additional Information 

• Under the scheme, the beneficiary receives funds in Nepalese Rupees through credit to her / his bank account maintained with the subsidiary of State Bank of India in Nepal, — Nepal SBI Bank Limited (NSBL) or through an agency arrangement.
• The central bank asked banks to put in place suitable velocity checks and other risk mitigation procedures.
• ​RBI:
• Governor - Shaktikanta Das.
• Headquarters - Mumbai.
• Founded: 1 April 1935, Kolkata.

The correct answer is Azim Premji.

Important Points

• Software exporter Wipro's Azim Premji donated ₹9,713 crores or ₹27 crores a day to retain his top rank in EdelGive Hurun India Philanthropy List 2020.
• Mukesh Ambani of Reliance Industries, India's richest man by a distance, came third on the list with a ₹577 crore contribution.
• Amitabh Bachchan is the top new entrant on EdelGive Hurun India Philanthropy List 2021 by donating ₹15 crores.

Additional Information

• The second richest Indian Gautam Adani is eighth on the givers' list with a donation of ₹130 crores towards disaster relief.
• Infosys co-founder Nandan Nilekani's ranking improved to fifth with a ₹183 crore donation with “societal thinking" being identified as the primary cause.
• There are a few new entrants into the list, including the largest stocks investor Rakesh Jhunjunwala, who donated a fourth of his overall earnings or ₹50 crore in FY21 with efforts on education.
• Former chairman of engineering major Larsen & Toubro, A M Naik, is 11^th on the list with a donation of ₹112 crore.

The correct answer is Articles 129 and 142.

Important Points 

• Article 129 in The Constitution Of India 1949.
• The Supreme Court of India shall be a court of record and shall have all the powers of such a court including the power to punish for contempt of itself.
• A Court of Record is defined as "a court whereof the acts and judicial proceedings are enrolled for a perpetual memorial and testimony, and which has power to fine and imprison for contempt of its authority".
• Contempt of court signifies not only a willful disregard or disobedience of its orders, but such conduct as tends to bring the authority of the court and the administration of the law into disrespect or to defeat, impair, or prejudice the rights of witnesses or parties to pending litigation.
• It is clear from the above definitions in India the Supreme Court and High Courts act as Court of Records by virtue of Article 129 and Article 215 of the Indian Constitution respectively.
• Article 142 provides discretionary power to the Supreme Court as it states that the Supreme Court in the exercise of its jurisdiction may pass such decree or make such order as is necessary for doing complete justice in any cause or matter pending before it.

Hence Articles 129 and 142 is the most appropriate answer.

The correct answer is Red Laterite soil.

Important Points

• Red laterite soils in Tamil Nadu, Andhra Pradesh and Kerala are more suitable for crops like tea, coffee, and cashew cultivation.
• When manured and irrigated, some laterites are suitable for growing plantation crops like tea, coffee, rubber, cinchona, coconut, areca nut, and cashew nut.
• Laterite soils are mostly the end products of weathering.
• They are formed under conditions of high temperature and heavy rainfall with alternate wet and dry periods.
• Heavy rainfall promotes leaching (nutrients get washed away by water) of soil whereby lime and silica are leached away and a soil rich in oxides of iron and aluminium compounds is left behind.
• Laterite soils are red in colour due to little clay and more gravel of red sand-stones.

Additional Information

• Black soil-
• ​This is also known as regur and is found in lava-covered areas.
• This kind of soil is found in Gujarat, Maharashtra, and Karnataka where there are moderate rainfall and underlying basaltic rock.
• These are fit for the cultivation of cotton crops as they require high moisture retention and also minerals like calcium and magnesium.
• Desert soil –
• ​It is found in low-rainfall regions and it mostly consists of sandy soil.
• It has a low content of nitrogen and organic matter with very high calcium carbonate and phosphate, which makes it infertile.
• The amount of calcium is 10 times higher in the lower layer than in the topsoil.
• The availability of nitrogen in the form of nitrates, using fertilizer and proper irrigation, in addition to the already-present phosphates makes it useful in growing crops such as barley, rapeseed, cotton, wheat, millets, maize, and pulses.
• Thus it is the best soil for cereals cultivation.
• Laterite soil-
• It develops in regions having heavy rainfall and high temperature. Cashew crops are grown in red laterite soil as it contains less humus which is suitable for the cashew crop.

The correct answer is Three.

Key Points 

• Three Farm Bills that are bond of contention:
• The Farmers' Produce Trade and Commerce (Promotion and Facilitation) Bill, 2020,
• The Farmers (Empowerment and Protection) Agreement of Price Assurance and Farm Services Bill, 2020,
• Essential Commodities (Amendment) Bill, 2020.

Additional Information 

• Intended Benefits Associated with These Bills
• The Bills aim to do away with government interference in agricultural trade by creating trading areas free of middlemen and government taxes outside the structure of Agricultural Produce Market Committees (APMCs).
• It will allow farmers an option to sell their produce directly to these new zones, without going through the middlemen and paying levies such as mandi fees.
• It sought to remove stock holding limits as well as curbs on inter-State and intra-State trade, and create a framework for contract farming.
• These bills promote the creation of Farmer Producer Organisations (FPO) on a large scale and will help in creating a farmer-friendly environment for contract farming which small players can benefit.
• These bills may enable private players to invest in warehousing, grading, and other marketing infrastructure.
• A combined effect of these bills will help in creating a
• ‘One Nation, One Market’ for agricultural produce.​

The correct answer is peacock.

Key Points 

• The National bird of India is Peacock and its scientific name is Pavo Cristatus.
• Taxonomy of Peacock:
• Kingdom: Animalia
• Phylum: Chordata
• Subphylum: Vertebrata
• Superclass: Tetrapoda
• Class: Aves
• Order: Galliformes
• Family: Phasianidae
• Genus: Pavo
• Species: cristatus

Additional Information 

The correct answer is Gujarat.

Key Points

• The National Salt Satyagraha Memorial is located in Dandi, Gujarat.
• Dandi March or Salt Satyagraha was started by Mahatma Gandhi in Sabarmati launched on March 12, 1930, and it lasted till April 6, 1930, in Dandi (Navsari).
• It was a part of Non-violent Civil Disobedience.
• It was against the tax collected by the British Raj on salt and Gandhi opposed this by producing salt through evaporation.
• This significantly influenced American activists Martin Luther King, James Bevel, and others.

Additional Information

• It is also known as the White Flowing River as all people took part in the march by wearing White Khadi.
• Gandhi called it the “Poor Man’s Struggle”.
• Due to this, mass civil disobedience was observed and Indians boycotted British clothes and goods.
• International Walk for Justice and Freedom – Mahatma Gandhi Foundation re-framed and cast the Salt March in 2005 on the 75^th anniversary of the Dandi March.

The correct answer is ​26^th November.

Key Points

• November 26 is celebrated as National Milk Day, since 2014, to commemorate the birthday of the father of India's White Revolution, Dr. Verghese Kurien (also nicknamed as Milkman of India).
• India has become the largest producer of milk.
• India is the world's largest milk producer, with 22 per cent of global production, followed by the United States of America, China, Pakistan and Brazil.

Confusion Points

• World Milk Day- 1^st June.
• National Milk Day in India - ​26^th November.

Additional Information

• Indian Dairy Association (IDA) established in 1948, is the apex body of the dairy industry in India.
• The members are from cooperatives, MNCs, corporate bodies, private institutions, educational institutions, and government and public sector units.

Given:

In a pool of length 50 m and width 45 m, 90 persons take a dip, If the average displacement of water by the person is 1 m3,

Concept used:

The volume of water displaced = Displacement of water by 90 men

Calculation:

Let, the rise in the water level be h

As per the question,

⇒ 50 × 45 × h = 90 × 100

⇒ h = (90 × 100)/(50 × 45)

⇒ h = 2 × 2

⇒ h = 4 cm

∴ The water level rise by 4 cm

Shortcut Trick8% = 2/25, 15% = 3/20 and 20%= 1/5

Means, 2/25 = Discount/MP

3/20 = Discount/MP

1/5 = Discount/MP

SP = MP - Discount

If we cut the common part and then multiply

MP = 625 (25 × 5 × 5)

SP = 391 (23 × 17)

Single discount = (625 - 391)\625 × 100 = 37%            

Alternate Method

Given:

Approximate single discount equivalent to three successive discounts of 8%, 15%, and 20%

Formula Used:

Single discount equivalent to two successive discounts of a % and b %

= (a + b - $\frac{a \space × \space b}{100}$ ) %

Calculation:

Here, a = 8 % , and b =  15 %

So, the single discount = (8 + 15 - $\frac{8 \space × \space 15}{100}$) %

⇒ (23 - 1.2) %

⇒ 21.8 %

Again,

Here, a = 21.8 % , and b =  20 %

So, the single discount = (21.8 + 20 - $\frac{21.8 \space × \space 20}{100}$) %

⇒ (41.8 - 4.36) %

⇒ 37.44 % ≈ 37%

The approximate single discount is 37%

Shortcut Trick

As per the question,

Value of 11 % = 3190

So value of 100 % = (3190 / 11) × 100

⇒ 290 × 100 = 29000

Alternate Method Given:

The average attendance at a football club fell by 11% in 2015 in comparison to the previous year, If 3190 fewer people went to see matches.

Calculation:

Let, the number of attendance in 2014 will be 100 units

So, the number of attendance in 2015 decreased by 100 ×  (11 / 100) = 11 units

As per the question,

Value of 11 units = 3190

So value of 100 units = (3190 / 11) × 100

⇒ 290 × 100 = 29000

∴ In 2014  29,000 people went.

Shortcut TrickAs CP is the same for all three products.

Let the CP be 100.

Total Cp = 3 × 100 = 300.

A handbag, a shirt, and a jacket are sold at 12% profit, 15% loss and 6% gain.

So total gain will be = 12(Profit) + 6(Profit) - 15(Loss) = 3(Profit)

Profit % = 3/300 × 100 = 1%

Alternate MethodGiven:

A handbag, a shirt, and a jacket were bought at Rs. 2,300 each.

They are sold at 12% profit, 15% loss, and 6% gain, respectively.

Formula used:

SP = ( $\frac{100\space +\space profit\space Percentage}{100}$) × CP 

SP = CP + Profit

Profit = CP × Profit percentage / 100

Calculation:

In 1^st case profit = 2300 × 12/100

⇒ 23 × 12 =  Rs 276

In 2^nd case loss = 2300 × 15/100

⇒ 23 × 15 =  Rs 345

In 3^rd case profit = 2300 × 6/100

⇒ 23 × 6 =  Rs 138

Total cost price = 2300 × 3

⇒ Rs 6900

Total Profit = 276 + 138 - 345

⇒ Rs 69 

Profit percentage = (69 / 6900) × 100

⇒ 1%

∴ The total profit is 1%

Additional Information 

Profit is calculated on Cost Price.

And discount is calculated on Market Price.

Concept used:

Follow the BODMAS rule according to the table given below:

Calculation:

$36\frac{2}{5} ÷ [27 + \frac{3}{8} \ of \ 24 + (45 ÷ 9 - 4\frac{3}{5})]$

⇒ $\frac{182}{5} ÷ [27 + \frac{3}{8} \ × \ 24 + (45 ÷ 9 - \frac{23}{5})]$

⇒ $\frac{182}{5}$ ÷  [27 + 3 × 3 + (5 - $\frac{23}{5}$)]

⇒ $\frac{182}{5}$ ÷ [27 + 9 + 2/5]

⇒ $\frac{182}{5}$ ÷ [182/5]

⇒ $\frac{182}{5}$ × $\frac{5}{182}$ 

⇒ 1

So, the value is 1

Given:

The difference between the compound interest and simple interest on Rs. 16,000.  2 years at a certain rate of interest per annum is Rs. 102.40

Formula used:

The difference between SI and CI for 2 years will be,

Difference = Principal × (R /100)² (R = rate of interest)

Calculation:

According to the question,

102.40 = 16000 × (R / 100)2 

⇒ R² = (102.40 × 100 × 100)​ \ 16000

⇒ ​R2 = 64

⇒ ​R = √64

⇒ R = 8%

The rate of interest per annum will be 8%

Given:

$\rm \frac{{67 + \frac{2}{5} \ of\ 75}}{{5 + \frac{2}{3} \times \left( {58 - 37} \right)}}$

Concept used:

Follow the BODMAS rule according to the table given below:

Calculation:

$\rm \frac{{67 + \frac{2}{5} \ of\ 75}}{{5 + \frac{2}{3} \times \left( {58 - 37} \right)}}$

⇒ $\rm \frac{{67 + \frac{2}{5} \ ×\ 75}}{{5 + \frac{2}{3} × \left( {21} \right)}}$

⇒ (67 + 2 × 15) / ( 5 + 7 × 2)

⇒ (67 + 30) / (5 + 14)

⇒ 97 / 19

⇒ ${5\frac{2}{{19}}}$

∴ The value is  ${5\frac{2}{{19}}}$

Given:

P can do a piece of work in 30 days 

Q can do the same work in 40 days

They worked together for 5 days and then Q left

Concept used:

Efficiency = (Total work / Total time taken)

Efficiency = work done in a single day 

Calculation:

Let total work is 120 units ( LCM of 30 and 40)  

The efficiency of P = 120/30

⇒ 4 units

The efficiency of Q = 120/40

⇒ 3 units

So P + Q together do in one day 4 + 3 = 7 units

So they do in 5 days 7 × 5 = 35 units

Remaining, 120 - 35 = 85 units done by P  

P does the work in 85 / 4 = 21$\frac{1}{4}$ days

⇒ 21 days 6 hours

∴ P take to complete the remaining work is 21 days 6 hours.

Additional Information (Efficiency of a Person is inversely proportional to the number of days to complete the work)

Given:

A train running at a speed of 126 km/h crosses a pole in 6 seconds.

Concept used:

Distance = speed × time 

Calculation:

126 km/h = 126 × 5/18

⇒ 5 × 7 = 35 m/s

So, in 6 seconds train covers his own length = 35 × 6

⇒ 210 m

∴ The length of the train is 210 m.

Additional Information To cross a pole the train has to cover its own length.

Given:

A student's marks were incorrectly entered as 92 instead of 78.

Due to this, the average marks of the class got increased by 1/2

Calculation:

Difference in marks = 92 - 78

⇒ 14

The average got increased for that by 1/2

Let, the total number of students be x

As per the question (1/2) × x = 14

⇒ 14 × 2 = 28

∴ Total number of students are 28.

Given:

Two varieties of wheat have been mixed. In 60 kg of wheat, 40% wheat is of A quality, and 60% of wheat is of B quality.

Calculation:

Amount of A quality wheat in 60 kg = 60 × 40 / 100

⇒ 24 kg

Amount of B quality wheat in 60 kg = 60 × 60 / 100

⇒ 36 kg

Let,we have to add x kg

According to the question,

(24 + x) / 36 = 60 /40

⇒ (24 + x) / 36 = 3 / 2

⇒ (24 + x)  = 54

⇒ x  = 54 - 24

⇒ x  = 30 kg

∴ 30 kg wheat of A quality should be further added to the mixed wheat.

Given:

The compound interest on a sum for $1\frac{1}{3}$ years at 12% per annum is Rs. 2496,

interest being compounded for 8 months.

Formula used:

C.I = P × (1 + R/100)ⁿ - P

Amount = P × ( 1 + R/100)ⁿ

Concept used:

For compound interest, [Amount =  A,  P = principal, R = rate of interest and

n = number of years]

Calculation:

Compound 8 monthly rate of interest = 12 × 8/12 = 8%

According to the question,

2496 = P(1 + 8/100)² - P

⇒  2496 = 104P / 625

⇒  P = 15000

So, The amount will be,

A = 15000 (1 + 12/100)⁴

⇒ 23603 (approx)

∴ The amount will be Rs 23603.

Shortcut TrickA is 50% less efficient than B means, 

A is 1/2 less than B 

Efficiency of  A = 1, and B = 2 then,

A and B completed total work in 16 days

Total work = Efficiency × Total time taken

Total work = (1 + 2) × 16 

⇒ 48

A  can completed the total works in,

 ⇒ 48/1 = 48 days.

Alternate MethodGiven:A and B together can do a piece of work in 16 days. If A is 50% less efficient than B.

Concept used:

Efficiency = (Total work / Total time taken)

Efficiency = work done in a single day      

Calculation:

Let the efficiency of B is x,

So the efficiency of A will be (x - x/2) = x / 2 

As per the question,

Efficiency ratio of A : B = 1: 2

So day ratio will be 2:1

If A takes 2y days then B takes y days 

As per the question,

(1 / 2y) + (1 / y) = 1 / 16

⇒ 3 / 2y = 1 / 16

⇒ 1 /y = 1 / 24

⇒ y = 24

So A takes 2y days = 2 × 24 

⇒ 48 days

∴ In 48days can A, working alone, complete the entire work.

Additional Information

(Efficiency of a Person is inversely proportional to the number of days to complete the work)

Given:

A profit of 19% is made on goods when a discount of 15% is given

Concept used:

Profit is calculated on Cost Price.

And the discount is calculated on Market Price.

Formula used:

P = ( $\frac{100\space +\space profit\space Percentage}{100}$) × CP 

SP = CP + Profit

Market price - discount = Selling Price 

Calculation:

Let the Market price be 100 unit

Selling price = 100 - 100 × 15/100

⇒ 100 -15

⇒ Rs 85

So the cost price = 85 × 100 / 119

⇒ 500 / 7

In 2^nd case , 

Selling price = 100 - 100 × 25/100

⇒ 100 -25

⇒ Rs 75

Profit = 75 - 500/7

⇒ 25 / 7

So profit percentage = $\frac{25/7}{500/7}$ × 100

⇒ 100 /20 = 5%

∴ 5% profit will be made.

Given:

A boat can travel at a speed of 17 km/h in still water. If the speed of the stream is 2 km/h

Concept used:

Speed = Distance / Time

In return, the speed will be downstream.

If the speed of the boat in still water is v and the speed of the current is u

Then, downstream speed = v + u

Calculation:

Then, downstream speed = 17 + 2

⇒ 19 km/h

Time will be taken to go 95 km,

⇒ 95 / 19 = 5 hr

∴ 5hr will be taken by boat to go 95 km downstream.

Additional Information If the speed of the boat in still water is v and the speed of the current is u

Upstream speed = v - u

Given:

P sold an article to Q for Rs. 18000 by losing 20%.

Q sells it to R at a price that would have given P a profit of 8%.

Concept used:

Cost price - loss = \() Selling price 

Selling Price (SP) = CP + (Profit /100) × CP

Calculation:

As per the question,

Cost price of P = 18000 × 100/80

⇒ Rs 22500

Cost price of R = 22500 × (108/100)

⇒ Rs 24300

Profit earned by Q = 24300 - 18000

⇒ 6300

Profit percentage = (6300 / 18000) × 100

⇒ 35%

∴ The profit percentage earned by Q is 35%

Calculation:

According to the question,

(2x + 3y) : (4x - 7y) = 3 : 5

⇒ (2x + 3y) / (4x - 7y) = 3 / 5​

⇒ 5 (2x + 3y) = 3 (4x - 7y) ​

⇒ 10x + 15y = 12x - 21y​

⇒ 2x = 36y

⇒ x / y = 36 / 2

⇒ x : y = 18 : 1

So, x : y = 18 : 1

Given:

The number are 4, 5 and 6

Concept used:

The greatest 3-digit number is 999

Calculation:

LCM of 4, 5, and 6 is 60

If we divide 999 by 60 the remainder will be 39.

So, 999 - 39 = 960 should be the greatest 3-digit number divisible by 4, 5 and 6

∴ The greatest number of 3 digits is 960.

Given:

The ratio of the income of A and B is x: y.

When the income of A is increased by 20% and the income of B is decreased by 40%, 

Then, the ratio of the income of A and B becomes  5: 6.

Calculation:

New income of A = x + x × (20 /100)

⇒ 6x / 5

New income of B = y - y × (40 /100)

⇒ 3y / 5

According to the question,

$\frac{6x / 5}{3y / 5}$ = 5 / 6

⇒ 2x / y = 5 / 6

⇒ 12x = 5y

⇒ y = 12x / 5

Now, putting the value of y in (3x + 2y ) / (5x – y)

⇒ (3x + 2 × $\frac{12x}{5}$ ) / (5x –  $\frac{12x}{5}$ )

⇒ $\frac{39x/5}{13x/5}$ = 3

∴ The value is 3.

Given:

$4\over5$,$24\over25$, $16\over35$

Formula used :

HCF of factors = (HCF of numerators / (LCM of denominators)

Calculation:

For calculating HCF, we have to find the HCF of 4, 24 and 16

For calculating HCF we have to find the LCM of 5 , 25 ,35

HCF of 4, 24 and 16 = 4

And LCM of 5, 25, 35 = 175

⇒ 175

So, the HCF of $4\over5$, $24\over25$, $16\over35$ =  4 / 175

∴** **The HCF is 4 / 175

Additional Information

 LCM of factors = (LCM of numenators) / (HCF of denomenators)

Given: 

A wire, which is in the form of a circle with a radius 14 cm, is bent to form a square.

Formula Used:

Perimeter of Square = 4 × side(a)

The circumference of the circle = 2 × π × radius(r)

Concept used:

Circumference of the circle = perimeter of the square 

Calculation:

As per the question,

⇒ 2π × 14 = 4a

⇒ 2 × (22/7) × 14 = 4a

⇒ 2 × 22 × 2 = 4a

⇒ 4a = 88

⇒ a = 22

∴ The length (in cm) of the side of the square is 22cm

Additional InformationArea of the Circle =  π × radius(r)2

Area of Square =  side(a)2

Given:

By selling a book for Rs. 625, a publisher makes a profit of 25%

Formula used:

Selling Price (Sp) = Cp + ($\frac{Profit}{100}$) × Cp

Cp = ($\frac{100}{100\space+\space profit\space Percent}$) × Sp

Calculation:

Let the Cost price be 100

So, the selling price will be, 100 + 100 × 25/100

⇒ 100 + 25 = 125 

As per the question,

Value of 125 units = 625

⇒ Value of 100 units = (625 / 125) × 100

⇒ 5 × 100 = Rs 500

So if 35% gain the selling price will be 

500 × (135 /100)

⇒  5 × 135 = Rs 675

The selling price will be Rs 675

Additional Information 

Profit is calculated on Cost Price.

And the discount is calculated on Market Price.

Given:

The average of 15 numbers is 55.4.

The average of the first 6 numbers is 50 and the average of the next 4 numbers is 60.5

Concept used:

Total = average × number of observations

Calculation:

Sum of the 15 numbers = 55.4 × 15 = 831

Sum of the 6 numbers = 50 × 6 = 300

Sum of the 4 numbers = 60.5 × 4 = 242

The Sum of the remaining 15 - (6 + 4) = 5 numbers is 

831 - (300 + 242) 

⇒ 831 - 542 = 289

The average of the remaining 5 numbers 

⇒289 / 5

⇒ 57.8

∴ The average of the remaining 5 numbers is 57.8

Given:

A certain sum amounts to Rs. 6,624 at 9.5% p.a. in 4 years, at simple interest.

Formula used:

Simple Interest (SI) = [Principal (P) ×  Rate of interest (R)  × Time(T)] /100

Concept used:

Amount = Principal + Interest

Calculation:

Let the principal be P

As per the question,

6624 - P = (P × 9.5 × 4 / 100)

⇒ P + (38P / 100) = 6624

⇒ 138P / 100 = 6624

⇒ P = 6624 × 100 / 138

⇒ P = Rs 4800

In 2^nd case, the simple interest will be 

SI = (4800 × 9.5 × 6.5) /  × 100

⇒ 24 × 9.5 × 13 = Rs 2964

The simple interest will be Rs 2964

Calculation:

x2 : y2 = 9 : 25

⇒ x : y = 3 : 5

Again,

2 : x = 5 : 15

⇒ 2/x = 5 /15

⇒ x = 6

As per the question,

x : y = 3 : 5

If x = 3 × 2 

⇒ 6

then, y = 5 × 2

⇒ 10

∴ Value of y is 10.

The correct answer is: appeal

Key Points

• Let's look at the meaning of the given words.
• Allure means the quality of being attractive and exciting.
• Appeal means to be attractive or interested in something.
• Interest means a desire to learn or hear more about somebody/something or to be involved with somebody/something.
• Attract means to cause somebody to like somebody/something.
• Except the verb "appeal" no other options take the preposition 'to' after it.
• The implied meaning of the sentence is: You might choose a postpaid card if the prepaid card for mobile phones is not your cup of tea.
• As per the meaning of the given words "appeal" is the most appropriate option to fill in.

Therefore, the correct answer is option 2.

Complete sentence: If the prepaid card for mobile phones does not appeal to you, you may opt for the postpaid card.

The erroneous spelling is:  Bitray.

Key Points  

• The correct spelling should be 'Betray'.
• Betray means to hurt somebody who trusts you, especially by not being loyal or faithful to him/her.
• Example - If you take the money you’ll betray her trust.

Therefore, the correct answer is option 3 which is incorrectly spelt.

Additional Information 

• Specific means detailed or exact.
• Reverse means to put something in the opposite position to normal or to how it was before.
• Resist means to try to stop something from happening or to stop somebody from doing something.

The erroneous part of the sentence is:  expect to mentor

Key Points

• Replace "expect" with "expected" to correct the sentence.
• Let's look at the uses of the verb 'expect'
• When we say "we expect" that indicates the outcome we want.
• When we say "we are expected" that indicates the outcome someone believes that we should supply.
• When we say "we are expecting" that indicates we anticipate a set result.
• ​The implied meaning of the sentence is: During the Covid-19 epidemic, teachers are expected to guide their students correctly.
• So, "are expected" should be used here because the focus is on the outcome for the welfare of the students provided by the teachers. The sentence is dealing with the expectation of the students.

Therefore, the correct answer is option 1, which contains an error.

Corrected sentence: Teachers are expected to mentor their students appropriately during the Covid-19 pandemic.

The correct answer is: at midnight

Key Points

• Replace "on middle night" with "at midnight" to correct the sentence.
• We use the preposition "on"  for specific days and dates.
• Example - I will return it to you on Wednesday.
• We use the preposition "at" with specific times (hours/minutes).
• Example - I left the party at midnight.
• We use the preposition "in" for specific months, years, seasons, centuries, and lengths of time.
• Example - My grandmother was born in 1927.
• If we use "middle night" then we must use it with a preposition 'of'. Such as the middle of the night.
• Midnight means twelve o'clock in the middle of the night.
• So, "at midnight" should be used in the given sentence.

Therefore, the correct answer is option 2.

Corrected sentence: Mira’s train was late and it reached Varanasi at midnight.

The correct answer is: Hydrography

Key Points 

• Hydrography means the science of the measurement, description, and mapping of the surface waters of the earth.
• So, it is clear that 'Hydrography' can be used as a one-word substitute for 'The science of surveying and charting bodies of water​'

Therefore, the correct answer is option 3.

Additional Information 

• Topography means the physical characteristics of an area of land, especially the position of its rivers, mountains, etc.
• Holography means the study or production of holograms.
• Demography means is the statistical study of human populations. The number and characteristics of people in a particular area.

The correct answer is: peeped

Key Points 

• The context of the sentence is that Jenny glanced in through the open door..
• Let's look at the meaning of the given words.
• Observed means to watch carefully the way something happens or the way someone does something, especially in order to learn more about it.
• Peeped means to look at something quickly and secretly, especially through a small opening (glanced in).
• Dazed means unable to think or react normally; confused.
• Derived means to come from something; to have something as its origin.
• Stared means to look at somebody or something for a long time because you are surprised, shocked, etc.
• So, as per the meaning of the given words, "peeped" is the appropriate one.
• The correct sentence is: The door was ajar and Jenny peeped in.

Therefore, the correct answer is option 1.

The erroneous spelling is:  Advertisment

Key Points 

• The correct spelling should be 'Advertisement'.
• Advertisement means a piece of information in a newspaper, on television, a picture on a wall, etc. that tries to persuade people to buy something, to interest them in a new job, etc.
• Example - An advertisement for a new brand of washing powder.

Therefore, the correct answer is option 4 which is incorrectly spelt.

Additional Information 

• Government means the group of people who rule or control a country.
• Tactfully means being careful not to say or do anything that could upset someone.
• Laboratory means a room or building that is used for scientific research, testing, experiments, etc. or for teaching about science.

The correct answer is: Concrete

Key Points 

• Abstract means existing only as an idea, not as a physical thing.
• Example - It is hard to imagine an abstract idea like ‘eternity’.
• Marked option Concrete means real or definite; not only existing in the imagination.
• Example - Can you give me a concrete example of what you mean?
• It is clear that 'Abstract' and 'Concrete' are opposite in meaning.

Therefore the correct answer is option 2.​

Additional Information 

• Auspicious means suggesting a positive and successful future.
• Belligerent means unfriendly and aggressive.
• Hilarious means extremely amusing and causing a lot of laughter.