UPSC Prelims 2014 · CSAT

Question 80: Logical Reasoning and Mental Ability

Passage beginning “A, B, C, D, E, F are members of…” — Passage · as printed by UPSC

What is the profession of D ?

aJudge

bStenographer

cDoctor

dCannot be determined

AnswerUPSC’s answer is (b).

A is the engineer, C the lawyer, E the doctor and F the draughtsman, so B and D take judge and stenographer. The judge's wife is the lawyer C, whose mother-in-law is D, so D is not the judge; the judge is B. D is therefore the lady stenographer, married to the engineer A.

Why each option is right or wrong

(a) The judge is B, married to the lawyer C.
(b) Right. D is the lady stenographer, married to A.
(c) The doctor is E, who is unmarried.
(d) It can be determined from the clues.

Answer: UPSC’s key. Explanation: written by UPSC Grade, not by UPSC.

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Source: UPSC, Civil Services (Preliminary) Examination 2014, General Studies Paper II (CSAT), Series A. The paper on upsc.gov.in.