UPSC Civil Service Prelims Paper II 2023 (CSAT) | UPSC Civil Service Year Wise Previous Years Questions

Basic Numeracy

1. 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 2. In how many ways can a batsman score exactly 25 runs by scoring single runs, fours and sixes only, irrespective of the s 3. There are four letters and four envelopes and exactly one letter is to be put in exactly one envelope with the correct a 4. What is the remainder when 85 × 87 × 89 × 91 × 95 × 96 is divided by 100? 5. What is the unit digit in the expansion of (57242)9×7×5×3×1? 6. 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 +& 7. 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 betwee 8. Three of the five positive integers p, q, r, s, t are even and two of them are odd (not necessarily in order). Consider 9. Consider the following in respect of prime number p and composite number c. 1. $\frac{\mathrm{p}+\mathrm{c}}{\mathrm{p} 10. 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 11. For any choices of values of X, Y and Z, the 6-digit number of the form XYZXYZ is divisible by: 12. 125 identical cubes are arranged in the form of a cubical block. How many cubes are surrounded by other cubes from each 13. How many distinct 8-digit numbers can be formed by rearranging the digits of the number 11223344 such that odd digits oc 14. 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 15. Let x be a positive integer such that 7x + 96 is divisible by x. How many values of x are possible? 16. If p, q, r and s are distinct single digit positive numbers, then what is the greatest value of (p + q) (r + s)? 17. A number N is formed by writing 9 for 99 times. What is the remainder if N is divided by 13? 18. 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? 19. What is the sum of all digits which appear in all the integers from 10 to 100? 20. 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 dist 21. A box contains 14 black balls, 20 blue balls, 26 green balls, 28 yellow balls, 38 red balls and 54 white balls. Consider 22. A principal P becomes Q in 1 year when compounded half-yearly with R% annual rate of interest. If the same principal P b 23. How many natural numbers are there which give a remainder of 31 when 1186 is divided by these natural numbers? 24. 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 25. 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 re 26. What is the number of selections of 10 consecutive objects in clockwise direction out of 12 objects arranged in a circle 27. If today is Sunday, then which day is it exactly on 1010 th day? 28. There are three traffic signals. Each signal changes colour from green to red and then from red to green. The first sign 29. 40 children are standing in a circle and one of them (say child-1) has a ring. The ring is passed clockwise. Child-1 pas 30. Question: Is (p + q - r) greater than (p - q + r), where p, q and r are integers ? Statement-1: (p - q) is positive. S 31. In a party, 75 persons took tea, 60 persons took coffee and 15 persons took both tea and coffee. No one taking milk take 32. Consider a 3-digit number. Question: What is the number? Statement-1: The sum of the digits of the number is equal to 33. For five children with ages a < b < c < d < e; any two successive ages differ by 2 years. Question: What is 34. In an examination, the maximum marks for each of the four papers namely P, Q, R and S are 100. Marks scored by the stude 35. A flag has to be designed with 4 horizontal stripes using some or all of the colours red, green and yellow. What is the 36. 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 37. 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 assign 38. There are large number of silver coins weighing 2 gm, 5 gm, 10 gm, 25 gm, 50 gm each. Consider the following statements: 39. What is the remainder if 2192 is divided by 6? 40. AB and CD are 2-digit numbers. Multiplying AB with CD results in a 3-digit number DEF. Adding DEF to another 3-digit num 41. A cuboid of dimensions 7 cm × 5 cm × 3 cm is painted red, green and blue colour on each pair of opposite faces of d 42. The letters of the word "INCOMPREHENSIBILITIES" are arranged alphabetically in reverse order. How many positions of the

Comprehension

Data Interpretation

1. Question: Is p greater than q? Statement-1: p × q is greater than zero. Statement-2: p2 is greater than q2. Whic

Logical Reasoning and General Mental Ability

1. If 7 ⊕ 9 ⊕ 10 = 8, 9 ⊕ 11 ⊕ 30 = 5, 11 ⊕ 17 ⊕ 21 = 13, what is the value of 23 ⊕ 4 ⊕ 15? 2. If 'ZERO' is written as 'CHUR', then how is 'PLAYER' written? 3. 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. Consider the following including the Question and the Statements : There are 5 members A, B, C, D, E in a family. Ques 5. Choose the group which is different from the others: 6. What is the middle term of the sequence Z, Z, Y, Y, Y, X, X, X, X, W, W, W, W, W ____, A? 7. Consider the following: I. A + B means A is neither smaller nor equal to B. II. A - B means A is not greater than 8. Consider the sequence ABC_ _ ABC_DABBCD_ABCD that follows a certain pattern. Which one of the following complete 9. Consider the following statements in respect of five candidates P, Q, R, S and T. Two statements are true and one statem 10. 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 tru

Basic Numeracy

Comprehension

Data Interpretation

Logical Reasoning and General Mental Ability

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UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

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?

Only two

Only three

Only four

All five

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

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 D's son.

Statement-4: A and C are sisters.

Which one of the following is correct in respect of the above Question and Statements?

Statement-1, Statement-2 and Statement-3 are sufficient to answer the Question.

Statement-1, Statement-3 and Statement-4 are sufficient to answer the Question.

All four statements together are sufficient to answer the Question.

All four statements are not sufficient to answer the Question.

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

Choose the group which is different from the others:

17, 37, 47, 97

31, 41, 53, 67

71, 73, 79, 83

83, 89, 91, 97

UPSC Civil Service Prelims Paper II 2023 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

What is the middle term of the sequence

Z, Z, Y, Y, Y, X, X, X, X, W, W, W, W, W ____, A?

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