UPSC Prelims 2018 · CSAT
Question 48: Logical Reasoning and Mental Ability
A, B, C and D are students. They are studying in four different cities, viz., P, Q, R and S (not necessarily in that order). They are studying in Science college, Arts college, Commerce college and Engineering college (not necessarily in that order), which are situated in four different States, viz., Gujarat, Rajasthan, Assam and Kerala (not necessarily in that order). Further, it is given that—
- (i)D is studying in Assam
- (ii)Arts college is located in city S which is in Rajasthan
- (iii)A is studying in Commerce college
- (iv)B is studying in city Q
- (v)Science college is located in Kerala
Which one of the following statements is correct?
AnswerUPSC’s answer is (a).
Working: D (Assam) cannot be at Arts (Rajasthan) or Science (Kerala), and A has Commerce, so D is at Engineering and Engineering is in Assam. Commerce is left with Gujarat. B (city Q) cannot be at Arts (city S), so B is at Science in Kerala, and C is at Arts in Rajasthan. So statement (a) is correct.
Why each option is right or wrong
- (a) Correct: D studies at Engineering, located in Assam.
- (b) City Q is B's, at Science in Kerala.
- (c) C studies at Arts, in Rajasthan.
- (d) B is in Kerala, where Science stands.
Answer: UPSC’s key. Explanation: written by UPSC Grade, not by UPSC.
Source: UPSC, Civil Services (Preliminary) Examination 2018, General Studies Paper II (CSAT), Series A. The paper on upsc.gov.in.