UPSC Civil Service Prelims Paper II 2024 (CSAT) | UPSC Civil Service Year Wise Previous Years Questions

Basic Numeracy

1. What is the least possible number of cuts required to cut a cube into 64 identical pieces? 2. In the expression $5 * 4 * 3 * 2 * 1$, * is chosen from $+$, $-$, $\times$ each at most two times. What is the smallest 3. A certain number of men can complete a piece of work in $6k$ days, where $k$ is a natural number. By what percent should 4. X, Y and Z can complete a piece of work individually in 6 hours, 8 hours and 8 hours respectively. However, only one per 5. 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 6. On January 1st, 2023, a person saved ₹1. On January 2nd, 2023, he saved ₹2 more than that on the previous day. On Januar 7. $222^{333} + 333^{222}$ is divisible by which of the following numbers? 8. What percent of water must be mixed with honey so as to gain 20% by selling the mixture at the cost price of honey? 9. What is the rightmost digit preceding the zeros in the value of $30^{30}$? 10. 421 and 427, when divided by the same number, leave the same remainder 1. How many numbers can be used as the divisor in 11. 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 eq 12. Consider the following statements in respect of the sum $S = x + y + z$, where $x, y$ and $z$ are distinct prime numbers 13. 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 investe 14. 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 15. A number is mistakenly divided by 4 instead of multiplying by 4. What is the percentage change in the result due to this 16. In an examination, 80% of students passed in English, 70% of students passed in Hindi and 15% failed in both the subject 17. 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" 18. Consider the following:1. 1000 litres = 1 m32. 1 metric ton = 1000 kg3. 1 hectare = 10,000 m2Which of the above are corr 19. Let $X$ be a two-digit number and $Y$ be another two-digit number formed by interchanging the digits of $X$. If $(X + Y) 20. Consider the following :Weight of 6 boys = Weight of 7 girls = Weight of 3 men = Weight of 4 womenIf the average weight 21. 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)? 22. The calendar for the year 2025 is same for 23. Let $p, q, r$ and $s$ be distinct positive integers. Let $p, q$ be odd and $r, s$ be even. Consider the following statem 24. What is the angle between the minute hand and hour hand when the clock shows 4:25 hours? 25. What is the number of fives used in numbering a 260-page book? 26. 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, ... 27. 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 i 28. 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 dist 29. Three numbers x, y, z are selected from the set of the first seven natural numbers such that x > 2y > 3z. How many such 30. 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 31. $32^5 + 2^{27}$ is divisible by 32. Let $p$ and $q$ be positive integers satisfying $p 33. A Question is given followed by two Statements I and II. Consider the Question and the Statements.Question:If the averag 34. A Question is given followed by two Statements I and II. Consider the Question and the Statements.Question:Is $(x + y)$ 35. If P means 'greater than (>); Q means 'less than (R means 'not greater than (≤)'; S means 'not less than (≥) and T means 36. What will come in place of * in the sequence 3, 14, 39, 84, *, 258? 37. In some code, letters P, Q, R, S, T represent numbers 4, 5, 10, 12, 15. It is not known which letter represents which nu

Comprehension

Data Interpretation

Logical Reasoning and General Mental Ability

1. Consider the sequence:A_BCD_BBCDABC_DABC_Dthat follows a certain pattern. Which one of the following completes the seque 2. A person walks 100 m straight from his house, turns left and walks 100 m, again turns left and walks 300 m, then turns r 3. A Statement is given followed by two Conclusions numbered I and II. Consider the Statement and the Conclusions.Statement 4. A Main Statement is followed by four Statements labelled P, Q, R and S. Choose the ordered pair of the Statements where 5. If 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 repla 6. If in a certain code, 'ABCD' is written as 24 and 'EFGH' is written as 1680, then how is 'IJKL' written in that code? 7. If in a certain code, 'POT' is written as ATOP and 'TRAP' is written as APART, then how is 'ARENA' written in that code? 8. A person walks 100 m Westward, then turns left and walks 100 m . He then takes $225^{\circ}$ turn clockwise. In which di

Basic Numeracy

Comprehension

Data Interpretation

Logical Reasoning and General Mental Ability

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UPSC Civil Service Prelims Paper II 2024 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

The calendar for the year 2025 is same for

2029

2030

2031

2033

UPSC Civil Service Prelims Paper II 2024 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

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. $(p - r) (qs)$ is even.

2. $(q - s) q^2 s$ is even.

3. $(q + r)^2 (p + s)$ is odd.

Which of the statements given above are correct?

1 and 2 only

2 and 3 only

1 and 3 only

1, 2 and 3

UPSC Civil Service Prelims Paper II 2024 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

What is the angle between the minute hand and hour hand when the clock shows 4:25 hours?

12.5°

15°

17.5°

20°

UPSC Civil Service Prelims Paper II 2024 (CSAT)

MCQ (Single Correct Answer)

+2.5

-0.833

What is the number of fives used in numbering a 260-page book?

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