UPSC Prelims 2024 Question Paper — GS & CSAT with Answers

UPSC held the 2024 Preliminary examination on 16 June 2024 — GS Paper I from 9:30 to 11:30 am and CSAT from 2:30 to 4:30 pm. 175 questions from that day are below, each with the Commission's official answer and our explanation of why the other three options fail.

Polity & Governance 21 · Environment & Ecology 19 · Geography 18 · Economy 16 · History 9 · General Science 8 · Current Events 5

  1. Q1 The total fertility rate in an economy is defined as :
  2. Q2 Consider the following statements : 1. In India, Non-Banking Financial Companies can access the Liquidity Adjustment Facility window of the Reserve Bank of India. 2. In India…
  3. Q3 In India, which of the following can trade in Corporate Bonds and Government Securities ? 1. Insurance Companies 2. Pension Funds 3. Retail Investors Select the correct answer…
  4. Q4 Consider the following : 1. Exchange-Traded Funds (ETF) 2. Motor vehicles 3. Currency swap Which of the above is/are considered financial instruments ?
  5. Q5 With reference to the sectors of the Indian economy, consider the following pairs : Economic activity | Sector 1. Storage of agricultural produce : Secondary 2. Dairy farm…
  6. Q6 Consider the following materials : 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstock for…
  7. Q7 With reference to physical capital in Indian economy, consider the following pairs : Items | Category 1. Farmer's plough : Working capital 2. Computer : Fixed capital 3. Yarn used…
  8. Q8 Which one of the following words/phrases is most appropriately used to denote "an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of…
  9. Q9 With reference to the rule/rules imposed by the Reserve Bank of India while treating foreign banks, consider the following statements : 1. There is no minimum capital requirement…
  10. Q10 With reference to Corporate Social Responsibility (CSR) rules in India, consider the following statements : 1. CSR rules specify that expenditures that benefit the company…
  11. Q11 With reference to radioisotope thermoelectric generators (RTGs), consider the following statements : 1. RTGs are miniature fission reactors. 2. RTGs are used for powering the…
  12. Q12 Consider the following statements : Statement-I : Giant stars live much longer than dwarf stars. Statement-II : Compared to dwarf stars, giant stars have a greater rate of nuclear…
  13. Q13 Which one of the following is synthesised in human body that dilates blood vessels and increases blood flow ?
  14. Q14 Consider the following activities : 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking the migration of animals In…
  15. Q15 Consider the following aircraft : 1. Rafael 2. MiG-29 3. Tejas MK-1 How many of the above are considered fifth generation fighter aircraft ?
  16. Q16 In which of the following are hydrogels used ? 1. Controlled drug delivery in patients 2. Mobile air-conditioning systems 3. Preparation of industrial lubricants Select the…
  17. Q17 Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen ?
  18. Q18 Recently, the term "pumped-storage hydropower" is actually and appropriately discussed in the context of which one of the following ?
  19. Q19 "Membrane Bioreactors" are often discussed in the context of :
  20. Q20 With reference to the Indian economy, "Collateral Borrowing and Lending Obligations" are the instruments of :
  21. Q21 Consider the following airports : 1. Donyi Polo Airport 2. Kushinagar International Airport 3. Vijayawada International Airport In the recent past, which of the above have been…
  22. Q22 With reference to "water vapour", which of the following statements is/are correct ? 1. It is a gas, the amount of which decreases with altitude. 2. Its percentage is maximum at…
  23. Q23 Consider the following description : 1. Annual and daily range of temperatures is low. 2. Precipitation occurs throughout the year. 3. Precipitation varies between 50 cm – 250 cm…
  24. Q24 With reference to "Coriolis force", which of the following statements is/are correct ? 1. It increases with increase in wind velocity. 2. It is maximum at the poles and is absent…
  25. Q25 On June 21 every year, which of the following latitude(s) experience(s) a sunlight of more than 12 hours ? 1. Equator 2. Tropic of Cancer 3. Tropic of Capricorn 4. Arctic Circle…
  26. Q26 One of the following regions has the world's largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and the possible…
  27. Q27 With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements : 1. PFAS are found to be…
  28. Q28 Consider the following : 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps Parasitoid species are found in how many of the above kind of organisms ?
  29. Q29 Consider the following plants : 1. Groundnut 2. Horse-gram 3. Soybean How many of the above belong to the pea family ?
  30. Q31 Consider the following statements : Statement-I : The atmosphere is heated more by incoming solar radiation than by terrestrial radiation. Statement-II : Carbon dioxide and other…
  31. Q32 Consider the following statements : Statement-I : Thickness of the troposphere at the equator is much greater as compared to poles. Statement-II : At the equator, heat is…
  32. Q33 Consider the following : 1. Pyroclastic debris 2. Ash and dust 3. Nitrogen compounds 4. Sulphur compounds How many of the above are products of volcanic eruptions ?
  33. Q34 Which of the following is/are correct inference/inferences from isothermal maps in the month of January ? 1. The isotherms deviate to the north over the ocean and to the south…
  34. Q35 Which of the following countries are well known as the two largest cocoa producers in the world ?
  35. Q36 With reference to the Himalayan rivers joining the Ganga downstream of Prayagraj from West to East, which one of the following sequences is correct ?
  36. Q37 Consider the following statements : Statement-I : Rainfall is one of the reasons for weathering of rocks. Statement-II : Rain water contains carbon dioxide in solution…
  37. Q38 Consider the following countries : 1. Finland 2. Germany 3. Norway 4. Russia How many of the above countries have a border with the North Sea ?
  38. Q39 Consider the following information : Waterfall | Region | River 1. Dhuandhar | Malwa | Narmada 2. Hundru | Chota Nagpur | Subarnarekha 3. Gerseoppa | Western Ghats | Netravati In…
  39. Q40 Consider the following information : Region | Name of the mountain range | Type of mountain 1. Central Asia | Vosges | Fold mountain 2. Europe | Alps | Block mountain 3. North…
  40. Q41 The organisms "Cicada, Froghopper and Pond skater" are :
  41. Q42 Consider the following statements : Statement-I : Many chewing gums found in the market are considered a source of environmental pollution. Statement-II : Many chewing gums…
  42. Q43 Consider the following pairs : | Country | Animal found in its natural habitat | | :--- | :--- | | 1. Brazil | Indri | | 2. Indonesia | Elk | | 3. Madagascar | Bonobo | How many…
  43. Q44 Consider the following statements regarding World Toilet Organization : 1. It is one of the agencies of the United Nations. 2. World Toilet Summit, World Toilet Day and World…
  44. Q45 Consider the following statements : 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male leopards do…
  45. Q46 Which one of the following is the correct description of "100 Million Farmers" ?
  46. Q47 Consider the following : 1. Battery storage 2. Biomass generators 3. Fuel cells 4. Rooftop solar photovoltaic units How many of the above are considered "Distributed Energy…
  47. Q48 Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree ?
  48. Q49 Consider the following : 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them ?
  49. Q50 Consider the following : 1. Cashew 2. Papaya 3. Red sanders How many of the above trees are actually native to India ?
  50. Q51 Consider the following statements : Statement-I : There is instability and worsening security situation in the Sahel region. Statement-II : There have been military…
  51. Q52 Consider the following statements : Statement-I : India does not import apples from the United States of America. Statement-II : In India, the law prohibits the import of…
  52. Q53 With reference to the Speaker of the Lok Sabha, consider the following statements : While any resolution for the removal of the Speaker of the Lok Sabha is under consideration 1…
  53. Q54 With reference to the Indian Parliament, consider the following statements : 1. A bill pending in the Lok Sabha lapses on its dissolution. 2. A bill passed by the Lok Sabha and…
  54. Q55 With reference to the Parliament of India, consider the following statements : 1. Prorogation of a House by the President of India does not require the advice of the Council of…
  55. Q56 Consider the following statements : Statement-I : The European Parliament approved The Net-Zero Industry Act recently. Statement-II : The European Union intends to achieve carbon…
  56. Q57 Consider the following statements : Statement-I : Recently, Venezuela has achieved a rapid recovery from its economic crisis and succeeded in preventing its people from…
  57. Q58 With reference to the Digital India Land Records Modernisation Programme, consider the following statements : 1. To implement the scheme, the Central Government provides 100%…
  58. Q59 With reference to the 'Pradhan Mantri Surakshit Matritva Abhiyan', consider the following statements : 1. This scheme guarantees a minimum package of antenatal care services to…
  59. Q60 With reference to the Pradhan Mantri Shram Yogi Maan-dhan (PM-SYM) Yojana, consider the following statements : 1. The entry age group for enrolment in the scheme is 21 to 40…
  60. Q61 Consider the following statements regarding 'Nari Shakti Vandan Adhiniyam' : 1. Provisions will come into effect from the 18th Lok Sabha. 2. This will be in force for 15 years…
  61. Q62 Which of the following statements about 'Exercise Mitra Shakti-2023' are correct ? 1. This was a joint military exercise between India and Bangladesh. 2. It commenced in Aundh…
  62. Q63 A Writ of Prohibition is an order issued by the Supreme Court or High Courts to :
  63. Q64 Consider the following statements : 1. It is the Governor of the State who recognizes and declares any community of that State as a Scheduled Tribe. 2. A community declared as a…
  64. Q66 Who of the following is the author of the books "The India Way" and "Why Bharat Matters" ?
  65. Q67 Consider the following pairs : Country | Reason for being in the news 1. Argentina | Worst economic crisis 2. Sudan | War between the country's regular army and paramilitary…
  66. Q68 Consider the following statements : Statement-I : Sumed pipeline is a strategic route for Persian Gulf oil and natural gas shipments to Europe. Statement-II : Sumed pipeline…
  67. Q69 Consider the following statements : 1. The Red Sea receives very little precipitation in any form. 2. No water enters the Red Sea from rivers. Which of the statements given above…
  68. Q70 According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions ?
  69. Q71 Who was the Provisional President of the Constituent Assembly before Dr. Rajendra Prasad took over ?
  70. Q72 With reference to the Government of India Act, 1935, consider the following statements : 1. It provided for the establishment of an All India Federation based on the union of the…
  71. Q73 Which one of the following is a work attributed to playwright Bhasa ?
  72. Q74 Sanghabhuti, an Indian Buddhist monk, who travelled to China at the end of the fourth century AD, was the author of a commentary on :
  73. Q75 Consider the following properties included in the World Heritage List released by UNESCO : 1. Shantiniketan 2. Rani-ki-Vav 3. Sacred Ensembles of the Hoysalas 4. Mahabodhi Temple…
  74. Q76 As per Article 368 of the Constitution of India, the Parliament may amend any provision of the Constitution by way of : 1. Addition 2. Variation 3. Repeal Select the correct…
  75. Q77 Consider the following countries : 1. Italy 2. Japan 3. Nigeria 4. South Korea 5. South Africa Which of the above countries are frequently mentioned in the media for their low…
  76. Q78 Which of the following statements are correct in respect of a Money Bill in the Parliament ? 1. Article 109 mentions special procedure in respect of Money Bills. 2. A Money Bill…
  77. Q79 Which of the following is/are correctly matched in terms of equivalent rank in the three services of Indian Defence forces ? | | Army | Airforce | Navy | |---|---|---|---| | 1. |…
  78. Q80 The North Eastern Council (NEC) was established by the North Eastern Council Act, 1971. Subsequent to the amendment of NEC Act in 2002, the Council comprises which of the…
  79. Q81 Consider the following statements : Statement-I : If the United States of America (USA) were to default on its debt, holders of US Treasury Bonds will not be able to exercise…
  80. Q83 Consider the following statements in respect of the digital rupee : 1. It is a sovereign currency issued by the Reserve Bank of India (RBI) in alignment with its monetary policy…
  81. Q84 With reference to ancient India, Gautama Buddha was generally known by which of the following epithets ? 1. Nayaputta 2. Shakyamuni 3. Tathagata Select the correct answer using…
  82. Q85 Consider the following information : Archaeological Site | State | Description 1. Chandraketugarh | Odisha | Trading Port town 2. Inamgaon | Maharashtra | Chalcolithic site 3…
  83. Q86 Who of the following rulers of medieval India gave permission to the Portuguese to build a fort at Bhatkal ?
  84. Q88 Consider the following statements : 1. There are no parables in Upanishads. 2. Upanishads were composed earlier than the Puranas. Which of the statements given above is/are…
  85. Q89 Consider the following statements : 1. India is a member of the International Grains Council. 2. A country needs to be a member of the International Grains Council for exporting…
  86. Q90 Which one of the following was the latest inclusion in the Intangible Cultural Heritage List of UNESCO ?
  87. Q91 How many Delimitation Commissions have been constituted by the Government of India till December 2023 ?
  88. Q92 The Constitution (71st Amendment) Act, 1992 amends the Eighth Schedule to the Constitution to include which of the following languages ? 1. Konkani 2. Manipuri 3. Nepali 4…
  89. Q93 Consider the following pairs : Party | Its Leader 1. Bharatiya Jana Sangh : Dr. Shyama Prasad Mukherjee 2. Socialist Party : C. Rajagopalachari 3. Congress for Democracy…
  90. Q94 Which of the following statements are correct about the Constitution of India ? 1. Powers of the Municipalities are given in Part IX A of the Constitution. 2. Emergency provisions…
  91. Q95 Which one of the following statements is correct as per the Constitution of India ?
  92. Q96 Under which of the following Articles of the Constitution of India, has the Supreme Court of India placed the Right to Privacy ?
  93. Q97 What are the duties of the Chief of Defence Staff (CDS) as Head of the Department of Military Affairs ? 1. Permanent Chairman of Chiefs of Staff Committee 2. Exercise military…
  94. Q98 Operations undertaken by the Army towards upliftment of the local population in remote areas to include addressing of their basic needs is called :
  95. Q99 The longest border between any two countries in the world is between :
  96. Q100 Which of the following statements about the Ethics Committee in the Lok Sabha are correct ? 1. Initially it was an ad-hoc Committee. 2. Only a Member of the Lok Sabha can make a…

CSAT Paper II

79 questions

Comprehension 27 · Basic Numeracy 24 · Data Interpretation 10 · Mental Ability 9 · Logical Reasoning 9

  1. Q1 Which of the following statements best reflect the most logical and rational inferences that can be made from the passage? 1. The current methods of food distribution are solely…
  2. Q2 Based on the above passage, the following assumptions have been made : 1. The food distribution mechanism needs to be reimagined and made effective to reduce the loss and wastage…
  3. Q3 Which of the following statements best reflects/reflect the most logical and rational inference/inferences that can be made from the passage? 1. Central banks cannot bring down…
  4. Q4 Based on the above passage, the following assumptions have been made : 1. Fiscal policies of governments are solely responsible for higher prices. 2. Higher prices do not affect…
  5. Q5 What is the least possible number of cuts required to cut a cube into 64 identical pieces?
  6. Q6 In the expression 5 * 4 * 3 * 2 * 1, * is chosen from +, -, × each at most two times. What is the smallest non-negative value of the expression?
  7. Q7 A certain number of men can complete a piece of work in 6k days, where k is a natural number. By what percent should the number of men be increased so that the work can be…
  8. Q8 X, Y and Z can complete a piece of work individually in 6 hours, 8 hours and 8 hours respectively. However, only one person at a time can work in each hour and nobody can work for…
  9. Q9 How many consecutive zeros are there at the end of the integer obtained in the product 1^2 \times 2^4 \times 3^6 \times 4^8 \times \dots \times 25^{50}?
  10. Q10 On January 1st, 2023, a person saved ₹ 1. On January 2nd, 2023, he saved ₹ 2 more than that on the previous day. On January 3rd, 2023, he saved ₹ 2 more than that on the previous…
  11. Q11 Which one of the following statements best reflects the most logical and rational inference that can be made from the above passage?
  12. Q12 Based on the above passage, the following assumptions have been made : 1. India needs a new generation of urban professionals with knowledge relevant to modern urban practice. 2…
  13. Q13 Which one of the following statements best reflects the central idea of the above passage?
  14. Q14 Based on the above passage, the following assumptions have been made : 1. Internet is not inclusive enough. 2. Internet can adversely affect the quality of politics in a country…
  15. Q15 222^333 + 333^222 is divisible by which of the following numbers?
  16. Q16 What percent of water must be mixed with honey so as to gain 20% by selling the mixture at the cost price of honey?
  17. Q17 What is the rightmost digit preceding the zeros in the value of 30^30?
  18. Q18 421 and 427, when divided by the same number, leave the same remainder 1. How many numbers can be used as the divisor in order to get the same remainder 1?
  19. Q19 A can X contains 399 litres of petrol and a can Y contains 532 litres of diesel. They are to be bottled in bottles of equal size so that whole of petrol and diesel would be…
  20. Q20 Consider the following statements in respect of the sum S = x + y + z, where x, y and z are distinct prime numbers each less than 10 : 1. The unit digit of S can be 0. 2. The unit…
  21. Q21 Based on the above passage, the following assumptions have been made : 1. For effective school education, parents have greater role than the governments. 2. School curriculum that…
  22. Q22 Which one of the following statements best reflects the central idea conveyed by the passage?
  23. Q23 Which one of the following statements best reflects the thinking of the author about the science?
  24. Q25 Two persons P and Q enter into a business. P puts ₹ 14,000 more than Q, but P has invested for 8 months and Q has invested for 10 months. If P's share is ₹ 400 more than Q's share…
  25. Q26 P's salary is 20% lower than Q's salary which is 20% lower than R's salary. By how much percent is R's salary more than P's salary?
  26. Q27 A number is mistakenly divided by 4 instead of multiplying by 4. What is the percentage change in the result due to this mistake?
  27. Q28 In an examination, 80% of students passed in English, 70% of students passed in Hindi and 15% failed in both the subjects. What is the percentage of students who failed in only…
  28. Q29 A father said to his son, "n years back I was as old as you are now. My present age is four times your age n years back". If the sum of the present ages of the father and the son…
  29. Q30 Consider the following : 1. 1000 litres = 1 m³ 2. 1 metric ton = 1000 kg 3. 1 hectare = 10000 m² Which of the above are correct?
  30. Q31 Which of the following is/are emphatically conveyed by the author of the passage? 1. Without science, mankind could not have continued to exist till today. 2. It is the science…
  31. Q32 Based on the above passage, the following assumptions have been made : 1. The horrors of modern life are the inevitable result of the progress of science. 2. The aspect of truth…
  32. Q33 When we meet other people while we travel, we learn to differentiate between
  33. Q34 With reference to the above passage, the following assumptions have been made : 1. Travel leads to an understanding of humans. 2. Travel helps those who wish to learn fundamental…
  34. Q35 Let X be a two-digit number and Y be another two-digit number formed by interchanging the digits of X. If (X + Y) is the greatest two-digit number, then what is the number of…
  35. Q36 Consider the following : Weight of 6 boys = Weight of 7 girls = Weight of 3 men = Weight of 4 women If the average weight of the women is 63 kg, then what is the average weight of…
  36. Q37 How many times the hour hand and the minute hand coincide in a clock between 10:00 a.m. and 2:00 p.m. (same day)?
  37. Q38 The calendar for the year 2025 is same for
  38. Q39 Let p, q, r and s be distinct positive integers. Let p, q be odd and r, s be even. Consider the following statements : 1. (p - r)²(qs) is even. 2. (q - s)q²s is even. 3. (q +…
  39. Q40 What is the angle between the minute hand and hour hand when the clock shows 4:25 hours?
  40. Q41 Which of the following statements best reflects/reflect the most logical and rational inference/inferences that can be made from the passage? 1. In conventional classroom…
  41. Q42 Based on the above passage, the following assumptions have been made : 1. As a large number of workers in our country are employed in unorganized sector, India does not need to…
  42. Q43 Based on the above passage, the following assumptions have been made : 1. The adolescent does not feel comfortable with his parents because they tend to be dominating and…
  43. Q44 Which one of the following statements best reflects the central idea of the above passage?
  44. Q45 What is the number of fives used in numbering a 260-page book?
  45. Q46 What is the sum of the first 28 terms in the following sequence? 1, 1, 2, 1, 3, 2, 1, 4, 3, 2, 1, 5, 4, 3, 2, …
  46. Q47 A person buys three articles P, Q and R for ₹ 3,330. If P costs 25% more than R and R costs 20% more than Q, then what is the cost of P?
  47. Q48 If the sum of the two-digit numbers AB and CD is the three-digit number 1CE, where the letters A, B, C, D, E denote distinct digits, then what is the value of A?
  48. Q49 Three numbers x, y, z are selected from the set of the first seven natural numbers such that x > 2y > 3z. How many such distinct triplets (x, y, z) are possible?
  49. Q50 The total cost of 4 oranges, 6 mangoes and 8 apples is equal to twice the total cost of 1 orange, 2 mangoes and 5 apples. Consider the following statements : 1. The total cost of…
  50. Q51 Which one of the following statements best reflects the most logical, rational and practical suggestion implied by the passage?
  51. Q52 Based on the above passage, the following assumptions have been made : 1. Giant icebergs have a bearing on primary productivity and food chains of the Southern Ocean. 2. Melting…
  52. Q53 Which one of the following statements best reflects the most logical, rational and practical message conveyed by the passage?
  53. Q54 32^5 + 2^27 is divisible by
  54. Q55 Let p and q be positive integers satisfying p < q and p + q = k. What is the smallest value of k that does not determine p and q uniquely?
  55. Q56 A person walks 100 m straight from his house, turns left and walks 100 m, again turns left and walks 300 m, then turns right and walks 100 m to reach his office. In which…
  56. Q57 A person walks 100 m Westward, then turns left and walks 100 m. He then takes 225° turn clockwise. In which direction is he walking now?
  57. Q58 A Statement is given followed by two Conclusions numbered I and II. Consider the Statement and the Conclusions. Statement : India is the world's largest producer of milk…
  58. Q59 A Question is given followed by two Statements I and II. Consider the Question and the Statements. Question : What are the values of m and n, where m and n are natural numbers?…
  59. Q60 A Question is given followed by two Statements I and II. Consider the Question and the Statements. Question : What is the time required to download the software? Statement-I : The…
  60. Q61 Which one of the following statements best reflects the crux of the above passage?
  61. Q62 Which one of the following statements best reflects the most logical, rational and practical message implied by the passage?
  62. Q63 Which one of the following statements best reflects the crux of the above passage?
  63. Q64 A Question is given followed by two Statements I and II. Consider the Question and the Statements. Question : What are the unique values of x and y, where x, y are distinct…
  64. Q65 A Question is given followed by two Statements I and II. Consider the Question and the Statements. A certain amount was distributed among X, Y and Z. Question : Who received the…
  65. Q66 A Question is given followed by two Statements I and II. Consider the Question and the Statements. Question : If the average marks in a class are 60, then what is the number of…
  66. Q67 A Question is given followed by two Statements I and II. Consider the Question and the Statements. There are three distinct prime numbers whose sum is a prime number. Question…
  67. Q68 A Question is given followed by two Statements I and II. Consider the Question and the Statements. Question : Is (x + y) an integer? Statement-I : (2x + y) is an integer…
  68. Q69 A Question is given followed by two Statements I and II. Consider the Question and the Statements. A person buys three articles p, q and r for ₹ 50. The price of the article q is…
  69. Q70 A Question is given followed by two Statements I and II. Consider the Question and the Statements. P, Q, R and S appeared in a test. Question : Has P scored more marks than Q?…
  70. Q71 Which one of the following statements best reflects the most logical and rational message conveyed by the above passage?
  71. Q72 Based on the above passage, the following assumptions have been made : 1. The author of the passage believes that flowers are creations of Nature's luxury. 2. The author of the…
  72. Q73 A Question is given followed by two Statements I and II. Consider the Question and the Statements. Age of each of P and Q is less than 100 years but more than 10 years. If you…
  73. Q74 A Main Statement is followed by four Statements labelled P, Q, R and S. Choose the ordered pair of the Statements where the first Statement implies the second, and the two…
  74. Q75 If a + b means a - b; a - b means a × b; a × b means a ÷ b; a ÷ b means a + b, then what is the value of 10 + 30 - 100 × 50 ÷ 25? (Operations are to be replaced simultaneously)
  75. Q76 If P means 'greater than (>)'; Q means 'less than (<)'; R means 'not greater than (≯)'; S means 'not less than (≮)' and T means 'equal to (=)', then consider the following…
  76. Q77 If in a certain code, 'ABCD' is written as 24 and 'EFGH' is written as 1680, then how is 'IJKL' written in that code?
  77. Q78 If in a certain code, 'POT' is written as ATOP and 'TRAP' is written as APART, then how is 'ARENA' written in that code?
  78. Q79 What will come in place of * in the sequence 3, 14, 39, 84, *, 258?
  79. Q80 In some code, letters P, Q, R, S, T represent numbers 4, 5, 10, 12, 15. It is not known which letter represents which number. If Q - S = 2S and T = R + S + 3, then what is the…

Question papers and answer keys: Union Public Service Commission. Explanations: UPSC Answer Check.