Mock Test

Exam: UPSC Civil Services Prelims Subject: General Studies Paper-II (CSAT) Topic: Logical reasoning and analytical ability

Total Questions: 20

Q1. If a dice is rolled once, what is the probability of getting an odd number?

1/2 1/3 1/4 2/3
Q2. If BLUE is coded as 2514, how would you code RED?

512 213 314 413
Q3. What letter should come next in the series: V, X, Z, __, D

A B C E
Q4. Which of the following is the correct reflection of the word 'DROPS'?

SPORD SDORP DOSRP SOPRD
Q5. If North-East becomes South, South-East becomes West and so on, what will West become?

North North-East South South-West
Q6. Statement: All squares are rectangles. Conclusion: All rectangles are squares.

True False
Q7. Which letter comes next in the series: F, H, J, L, __

M N O P
Q8. Select the figure that is different from the rest:

P Q R S
Q9. In logic, 'IF-THEN' statements are also known as:

Conjunctions Disjunctions Implications Negations
Q10. What has a head, a tail, is brown, and has no legs?

Coin Snake Dog Fish
Q11. Assertion: Water expands when it freezes. Reasoning: Ice occupies less volume than water.

True, True True, False False, True False, False
Q12. If B is sitting to the immediate left of C, and C is sitting to the immediate left of D, who is sitting to the immediate right of B?

C D Cannot be determined None of the above
Q13. What is the result of 'TRUE XOR FALSE'?

TRUE FALSE UNKNOWN ERROR
Q14. Which of the following patterns is a prime number sequence: 2, 3, 5, 7, 11?

2, 3, 5, 7, 11 1, 3, 6, 10, 15 3, 6, 9, 12, 15 5, 10, 15, 20, 25
Q15. Statement: Pollution levels in a city have reached alarming levels. Course of action: Implement strict emission control measures and promote the use of public transport.

Only I is the course of action. Only II is the course of action. Both I and II are the course of action. Neither I nor II is the course of action.
Q16. What comes next in the pattern: 3, 6, 12, 24, ?

30 36 48 56
Q17. Assertion: The sum of interior angles of a triangle is 180 degrees. Reasoning: A triangle has 4 sides.

True, True True, False False, True False, False
Q18. Statement: Some apples are red. Conclusion: All red fruits are apples.

True False
Q19. If 'Some students are hardworking' is true, what can be inferred?

A. All students are hardworking. B. No students are hardworking. C. Some students are lazy. D. All students are lazy.
Q20. Logical reasoning in public policy helps in ensuring that decisions are based on ____________.

Emotions Facts and evidence Personal biases Random choices

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