UPSC Prelims 2023 CSAT Paper — 77 Questions with Answers

CSAT Paper II of the 2023 Preliminary examination, held on 28 May 2023. 80 questions · 200 marks · qualifying at 33%. The questions broke down as Comprehension 27, Mental Ability 19, Basic Numeracy 19, Logical Reasoning 7, Data Interpretation 5.

  1. Q1 Which one of the following statements best reflects the most rational, practical and immediate action required to ensure fair and equitable allocation of water to different stakeholders ?
    Comprehension· medium
  2. Q2 Which one of the following statements best reflects what is implied by the passage ?
    Comprehension· medium
  3. Q3 Which one of the following statements best reflects the most logical and rational message conveyed by the author of the passage ?
    Comprehension· medium
  4. Q4 Raj has ten pairs of red, nine pairs of white and eight pairs of black shoes in a box. If he randomly picks shoes one by one (without replacement) from the box to get a red pair of shoes to wear, what is the maximum number of attempts he has to make ?
    Mental Ability· medium
  5. Q5 In how many ways can a batsman score exactly 25 runs by scoring single runs, fours and sixes only, irrespective of the sequence of scoring shots ?
    Mental Ability· medium
  6. Q6 There are four letters and four envelopes and exactly one letter is to be put in exactly one envelope with the correct address. If the letters are randomly inserted into the envelopes, then consider the following statements : 1. It is possible that exactly…
    Mental Ability· medium
  7. Q7 What is the remainder when 85 × 87 × 89 × 91 × 95 × 96 is divided by 100 ?
    Basic Numeracy· easy
  8. Q8 What is the unit digit in the expansion of (57242)9×7×5×3×1 ?
    Basic Numeracy· easy
  9. Q9 If ABC and DEF are both 3-digit numbers such that A, B, C, D, E and F are distinct non-zero digits such that ABC + DEF = 1111, then what is the value of A + B + C + D + E + F ?
    Mental Ability· medium
  10. Q10 D is a 3-digit number such that the ratio of the number to the sum of its digits is least. What is the difference between the digit at the hundred's place and the digit at the unit's place of D ?
    Basic Numeracy· medium
  11. Q11 Which one of the following statements best reflects the crucial message conveyed by the author of the passage ?
    Comprehension· medium
  12. Q12 Which one of the following statements best implies the most rational assumption that can be made from the passage ?
    Comprehension· medium
  13. Q13 Which one of the following statements best reflects the crux of the passage ?
    Comprehension· medium
  14. Q14 Three of the five positive integers p, q, r, s, t are even and two of them are odd (not necessarily in order). Consider the following : 1. p + q + r - s - t is definitely even. 2. 2p + q + 2r - 2s + t is definitely odd. Which of the above statements is/are…
    Basic Numeracy· medium
  15. Q15 Consider the following in respect of prime number p and composite number c. 1. (p + c)/(p - c) can be even. 2. 2p + c can be odd. 3. pc can be odd. Which of the statements given above are correct ?
    Basic Numeracy· medium
  16. Q16 A 3-digit number ABC, on multiplication with D gives 37DD where A, B, C and D are different non-zero digits. What is the value of A + B + C ?
    Mental Ability· medium
  17. Q17 For any choices of values of X, Y and Z, the 6-digit number of the form XYZXYZ is divisible by :
    Basic Numeracy· medium
  18. Q18 125 identical cubes are arranged in the form of a cubical block. How many cubes are surrounded by other cubes from each side ?
    Mental Ability· easy
  19. Q19 How many distinct 8-digit numbers can be formed by rearranging the digits of the number 11223344 such that odd digits occupy odd positions and even digits occupy even positions ?
    Mental Ability· medium
  20. Q20 A, B, C working independently can do a piece of work in 8, 16 and 12 days respectively. A alone works on Monday, B alone works on Tuesday, C alone works on Wednesday; A alone, again works on Thursday and so on. Consider the following statements : 1. The work…
    Basic Numeracy· medium
  21. Q21 Which one of the following statements best reflects the most logical and rational implication conveyed by the passage ?
    Comprehension· medium
  22. Q22 Which of the following statements best reflects the logical inference from the passage given above ?
    Comprehension· medium
  23. Q23 Which one of the following statements best reflects the most logical and rational inference that can be drawn from the passage ?
    Comprehension· medium
  24. Q24 If 7 ⊕ 9 ⊕ 10 = 8, 9 ⊕ 11 ⊕ 30 = 5, 11 ⊕ 17 ⊕ 21 = 13, what is the value of 23 ⊕ 4 ⊕ 15 ?
    Logical Reasoning· medium
  25. Q25 Let x be a positive integer such that 7x + 96 is divisible by x. How many values of x are possible ?
    Basic Numeracy· easy
  26. Q26 If p, q, r and s are distinct single digit positive numbers, then what is the greatest value of (p + q)(r + s) ?
    Basic Numeracy· easy
  27. Q27 A number N is formed by writing 9 for 99 times. What is the remainder if N is divided by 13 ?
    Basic Numeracy· medium
  28. Q28 Each digit of a 9-digit number is 1. It is multiplied by itself. What is the sum of the digits of the resulting number ?
    Basic Numeracy· medium
  29. Q29 What is the sum of all digits which appear in all the integers from 10 to 100 ?
    Mental Ability· medium
  30. Q30 ABCD is a square. One point on each of AB and CD; and two distinct points on each of BC and DA are chosen. How many distinct triangles can be drawn using any three points as vertices out of these six points ?
    Mental Ability· medium
  31. Q31 Based on the above passage, the following assumptions have been made : 1. Collection, processing and segregation of municipal waste should be with government agencies. 2. Resource recovery and recycling require technological inputs that can be best handled by…
    Comprehension· medium
  32. Q32 Which one of the following statements best reflects the crux of the passage ?
    Comprehension· medium
  33. Q33 Based on the above passage, the following assumptions have been made : 1. Organic farming is inherently unsafe for both farmers and consumers. 2. Farmers and consumers need to be educated about eco-friendly food. Which of the assumptions given above is/are…
    Comprehension· medium
  34. Q34 Which one of the following statements best reflects the most logical, rational and practical message conveyed by the author of the passage ?
    Comprehension· medium
  35. Q35 Based on the above passage, the following assumptions have been made : 1. To implement the Sustainable Development Goals and to achieve zero-hunger goal, monoculture agriculture practices are inevitable even if they do not address malnutrition. 2. Dependence…
    Comprehension· medium
  36. Q36 A box contains 14 black balls, 20 blue balls, 26 green balls, 28 yellow balls, 38 red balls and 54 white balls. Consider the following statements : 1. The smallest number n such that any n balls drawn from the box randomly must contain one full group of at…
    Basic Numeracy· medium
  37. Q37 If 'ZERO' is written as 'CHUR', then how is 'PLAYER' written ?
    Logical Reasoning· easy
  38. Q38 Consider the following statements : 1. A is older than B. 2. C and D are of the same age. 3. E is the youngest. 4. F is younger than D. 5. F is older than A. How many statements given above are required to determine the oldest person/persons ?
    Logical Reasoning· medium
  39. Q39 Consider the following including the Question and the Statements : There are 5 members A, B, C, D, E in a family. Question : What is the relation of E to B ? Statement-1 : A and B are a married couple. Statement-2 : D is the father of C. Statement-3 : E is…
    Data Interpretation· medium
  40. Q40 Choose the group which is different from the others :
    Mental Ability· easy
  41. Q41 With reference to the above passage, the following assumptions have been made : 1. Global warming is causing spring to come early and for longer durations. 2. Early spring and longer period of spring is not good for bird populations. Which of the above…
    Comprehension· medium
  42. Q42 Which one of the following statements best reflects the most logical, rational and crucial message implied by the passage ?
    Comprehension· medium
  43. Q43 Which one of the following statements best reflects the most logical, rational and crucial message conveyed by the passage ?
    Comprehension· medium
  44. Q44 A principal P becomes Q in 1 year when compounded half-yearly with R% annual rate of interest. If the same principal P becomes Q in 1 year when compounded annually with S% annual rate of interest, then which one of the following is correct ?
    Basic Numeracy· medium
  45. Q45 How many natural numbers are there which give a remainder of 31 when 1186 is divided by these natural numbers ?
    Basic Numeracy· medium
  46. Q46 Let pp, qq and rr be 2-digit numbers where p < q < r. If pp + qq + rr = tt0, where tt0 is a 3-digit number ending with zero, consider the following statements : 1. The number of possible values of p is 5. 2. The number of possible values of q is 6. Which of…
    Basic Numeracy· medium
  47. Q47 What is the sum of all 4-digit numbers less than 2000 formed by the digits 1, 2, 3 and 4, where none of the digits is repeated ?
    Mental Ability· medium
  48. Q48 What is the number of selections of 10 consecutive things out of 12 things in a circle taken in the clockwise direction ?
    Mental Ability· easy
  49. Q49 If today is Sunday, then which day is it exactly on 10¹⁰ th day ?
    Mental Ability· easy
  50. Q50 There are three traffic signals. Each signal changes colour from green to red and then from red to green. The first signal takes 25 seconds, the second signal takes 39 seconds and the third signal takes 60 seconds to change the colour from green to red. The…
    Basic Numeracy· medium
  51. Q51 Which one of the following statements best reflects the most logical and rational message conveyed by the author of the passage ?
    Comprehension· medium
  52. Q52 Which one of the following statements best reflects the most logical and practical message conveyed by the passage ?
    Comprehension· medium
  53. Q53 Which one of the following statements best reflects the crux of the passage ?
    Comprehension· medium
  54. Q54 40 children are standing in a circle and one of them (say child-1) has a ring. The ring is passed clockwise. Child-1 passes on to child-2, child-2 passes on to child-4, child-4 passes on to child-7 and so on. After how many such changes (including child-1)…
    Mental Ability· medium
  55. Q55 What is the middle term of the sequence Z, Z, Y, Y, Y, X, X, X, X, W, W, W, W, W, ..., A ?
    Mental Ability· medium
  56. Q56 Question : Is p greater than q ? Statement-1 : p × q is greater than zero. Statement-2 : p² is greater than q². Which one of the following is correct in respect of the above Question and the Statements ?
    Data Interpretation· medium
  57. Q57 Question : Is (p + q - r) greater than (p - q + r), where p, q and r are integers ? Statement-1 : (p - q) is positive. Statement-2 : (p - r) is negative. Which one of the following is correct in respect of the above Question and the Statements ?
    Data Interpretation· medium
  58. Q59 Consider a 3-digit number. Question : What is the number ? Statement-1 : The sum of the digits of the number is equal to the product of the digits. Statement-2 : The number is divisible by the sum of the digits of the number. Which one of the following is…
    Data Interpretation· medium
  59. Q60 For five children with ages a < b < c < d < e; any two successive ages differ by 2 years. Question : What is the age of the youngest child ? Statement-1 : The age of the eldest is 3 times the youngest. Statement-2 : The average age of the children is 8 years…
    Data Interpretation· easy
  60. Q61 Which one of the following statements best reflects the most logical message implied by the above passage ?
    Comprehension· medium
  61. Q62 Regarding the financialization of household savings, which of the following statements best reflect the solutions that are implied by the passage ? 1. A flexible environment is needed to develop solutions. 2. Households need customised solutions. 3…
    Comprehension· medium
  62. Q63 Based on the above passage, the following assumptions have been made : 1. Patent protection given to patentees puts a huge burden on public's purchasing power in accessing patented medicines. 2. Dependence on other countries for pharmaceutical products is a…
    Comprehension· medium
  63. Q64 Based on the above passage, the following assumptions have been made : 1. Protection of privacy is not just a right, but it has value to the economy. 2. There is a fundamental link between privacy and innovation. Which of the above assumptions is/are valid ?
    Comprehension· medium
  64. Q65 In an examination, the maximum marks for each of the four papers namely P, Q, R and S are 100. Marks scored by the students are in integers. A student can score 99% in n different ways. What is the value of n ?
    Basic Numeracy· medium
  65. Q66 A flag has to be designed with 4 horizontal stripes using some or all of the colours red, green and yellow. What is the number of different ways in which this can be done so that no two adjacent stripes have the same colour ?
    Mental Ability· easy
  66. Q67 A rectangular floor measures 4 m in length and 2·2 m in breadth. Tiles of size 140 cm by 60 cm have to be laid such that the tiles do not overlap. A tile can be placed in any orientation so long as its edges are parallel to the edges of the floor. What is the…
    Basic Numeracy· medium
  67. Q68 There are five persons P, Q, R, S and T each one of whom has to be assigned one task. Neither P nor Q can be assigned Task-1. Task-2 must be assigned to either R or S. In how many ways can the assignment be done ?
    Logical Reasoning· medium
  68. Q70 Consider the following : I. A + B means A is neither smaller nor equal to B. II. A - B means A is not greater than B. III. A × B means A is not smaller than B. IV. A ÷ B means A is neither greater nor equal to B. V. A ± B means A is neither smaller nor…
    Logical Reasoning· medium
  69. Q71 Which one of the following statements most likely reflects as to what the author of the passage intends to say ?
    Comprehension· medium
  70. Q72 Which one of the following statements best reflects the most rational, logical and practical message conveyed by the passage ?
    Comprehension· medium
  71. Q73 Based on the above passage, which one of the following terms best expresses the ultimate goal of the state ?
    Comprehension· easy
  72. Q74 What is the remainder if 2^192 is divided by 6 ?
    Basic Numeracy· easy
  73. Q75 Consider the sequence ABC_ _ ABC_ DABBCD_ ABCD that follows a certain pattern. Which one of the following completes the sequence ?
    Mental Ability· medium
  74. Q76 AB and CD are 2-digit numbers. Multiplying AB with CD results in a 3-digit number DEF. Adding DEF to another 3-digit number GHI results in 975. Further A, B, C, D, E, F, G, H, I are distinct digits. If E = 0, F = 8, then what is A + B + C equal to ?
    Mental Ability· hard
  75. Q77 Consider the following statements in respect of five candidates P, Q, R, S and T. Two statements are true and one statement is false. True Statement : One of P and Q was selected for the job. False Statement : At least one of R and S was selected for the job…
    Logical Reasoning· medium
  76. Q78 Let P, Q, R, S and T be five statements such that : I. If P is true, then both Q and S are true. II. If R and S are true, then T is false. Which of the following can be concluded ? 1. If T is true, then at least one of P and R must be false. 2. If Q is true…
    Logical Reasoning· medium
  77. Q79 A cuboid of dimensions 7 cm × 5 cm × 3 cm is painted red, green and blue colour on each pair of opposite faces of dimensions 7 cm × 5 cm, 5 cm × 3 cm, 7 cm × 3 cm respectively. Then the cuboid is cut and separated into various cubes each of side length 1 cm…
    Mental Ability· medium

Question paper and answer key: Union Public Service Commission. Explanations: UPSC Answer Check. Practise this paper with a timer →