UPSC logical reasoning Previous Year Questions

Q6. What is X in the sequence 24, X, 12, 18, 36, 90?...

Number Series

Q8. If P = +, Q = –, R = ×, S = ÷, then insert the proper notations between the successive numbers in the equation 60_15_3_2...

Mathematical Operations

Q19. Let PQR be a 3-digit number, PPT be a 3-digit number and PS be a 2-digit number, where P, Q, R, S, T are distinct non-ze...

Cryptarithmetic/Number Puzzles

Q20. Consider the sequence AB_CC_A_BCCC_BBC_C that follows a certain pattern. Which one of the following completes the sequen...

Letter Series/Pattern Completion

Q25. A solid cube is painted yellow on all its faces. The cube is then cut into 60 smaller but equal pieces by making the min...

Cubes and Cuboids (Visual Reasoning)

Q26. If 7 * 24 = 25 and 12 * 16 = 20, then what is 16 * 63 equal to?...

Mathematical Operations/Pattern Recognition

Q29. Consider the following statements: I. If A ≤ B > C < D > E > F ≥ G = H; then B is always greater than E. II. If P > Q = ...

Inequalities/Coded Inequalities

Q79. A mobile phone has been stolen. There are 3 suspects P, Q and R. They were questioned knowing that only one of them is g...

Truth and Lie Puzzles

Q80. Three teams P, Q, R participated in a tournament in which the teams play with one another exactly once. A win fetches a ...

Tournament Puzzles

Q24. 24. Consider the sequence A_BCD_BBCDABC_DABC_D that follows a certain pattern. Which one of the following completes the ...

Series Completion

Q37. 37. 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)?...

Clocks

Q38. 38. The calendar for the year 2025 is same for...

Calendars

Q40. 40. What is the angle between the minute hand and hour hand when the clock shows 4:25 hours?...

Clocks

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 r...

Direction Sense

Q57. A person walks 100 m Westward, then turns left and walks 100 m. He then takes 225^0 turn clockwise. In which direction i...

Direction Sense

Q58. A Statement is given followed by two Conclusions numbered I and II. Consider the Statement and the Conclusions. Statemen...

Statement and Conclusion

Q59. A Question is given followed by two Statements I and II. Consider the Questions and the Statements. Question : What are ...

Data Sufficiency

Q60. A Question is given followed by two Statements I and II. Consider the Questions and the Statements. Question : What is t...

Data Sufficiency

Q64. A question is given followed by two Statements I and II. Consider the Questions and the Statements. Question : What are ...

Data Sufficiency - Number Theory

Q65. A Question is given followed by two Statements I and II. Consider the Questions and the Statements. A certain amount was...

Data Sufficiency - Ratios

Q66. A Question is given followed by two Statements I and II. Consider the Questions and the Statements. Question : If the av...

Data Sufficiency - Averages

Q67. A Question is given followed by two Statements I and II. Consider the Questions and the Statements. There are three dist...

Data Sufficiency - Number Theory

Q68. A Question if given followed by two Statements I and II. Consider the Question and the Statements. Question : Is (x+y) a...

Data Sufficiency - Number Properties

Q69. A Question if given followed by two Statement I and II. Consider the Question and the Statements. A person buys three ar...

Data Sufficiency - Algebra

Q70. A Question is given followed by two Statements I and II. Consider the Question and the Statements. P, Q, R and S appeare...

Data Sufficiency - Inequalities

Q73. Question is given followed by two Statements I and II. Consider the Question and the Statements. Age of each of P and Q ...

Data Sufficiency - Number Properties

Q74. Main Statement : Pradeep becomes either a Director or a Producer. Statement P : Pradeep is a Director. Statement Q : Pra...

Logical Deduction

Q75. a + b means a – b; a – b means a x b; a x b means a ÷ b; a ÷ b; means a + b, then what is the value of 10 + 30 – 100 x 5...

Mathematical Operations

Q76. If P means ‘greater than (>)’; Q means ‘less than (<)’; R means ‘not greater than (≤)’; S means ‘not less than (≥)’ and ...

Inequalities and Symbols

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?...

Coding-Decoding

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?...

Coding-Decoding

Q7. If 'ZERO' is written as 'CHUR', then how is 'PLAYER' written?...

Coding-Decoding

Q8. 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 y...

Ordering and Ranking

Q9. Consider the following including the Question and the Statements: There are 5 members A, B, C, D, E in a family. Questio...

Blood Relations

Q10. Choose the group which is different from the others: (a) 17, 37, 47, 97 (b) 31, 41, 53, 67 (c) 71, 73, 79, 83 (d) 83, 89...

Classification (Odd One Out)

Q34. 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...

Worst Case Scenario (Pigeonhole Principle)

Q36. There are four letters and four envelopes and exactly one letter is to be put in exactly one envelope with the correct a...

Permutations and Combinations (Derangements)

Q39. 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= ...

Number Puzzles

Q45. Consider the sequence ABC_ _ABC_DABBCD_ABCD that follows a certain pattern. Which of the following completes the sequenc...

Series Completion

Q46. 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...

Number Puzzles

Q47. Consider the following statements in respect of five candidates P, Q, R, S, and T. Two statements are true and one state...

Deductive Reasoning

Q48. 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,...

Conditional Statements

Q50. The letters of the word "INCOMPREHENSIBILITIES" are arranged alphabetically in reverse order. How many positions of the ...

Alphabetical Order

Q58. 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 T...

Permutations and Combinations (Assignment Problem)

Q60. 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...

Inequality and Logic

Q66. Questions: Is p greater than q? Statement-1: p × q is greater than zero. Statement-2: p^2 is greater than q^2....

Data Sufficiency - Inequalities

Q67. Questions: Is (p + q- r) greater than (p – q + r), where p, q and r are integers? Statement-1: (p - q) is positive. Stat...

Data Sufficiency - Inequalities

Q68. In a party, 75 persons took tea, 60 persons took coffee and 15 persons took both tea and coffee. No one taking milk take...

Data Sufficiency - Set Theory

Q79. If today is Sunday, then which day is it exactly on 10^10 th day?...

Calendar Problems