Match each person to a job. A is the engineer, C the lawyer, E the doctor and F the draughtsman, which leaves stenographer and judge for B and D. The judge is married to the lawyer C, who is D's daughter-in-law, so D, as C's mother-in-law, cannot be C's spouse. So B is the judge, married to C, and D is the stenographer, married to A. B is the judge.
Why each option is right or wrong
(a) Right. B is married to the lawyer C.
(b) C is the lawyer, not B.
(c) F is the draughtsman, not B.
(d) It can be determined from the clues.
Answer: UPSC’s key. Explanation: written by UPSC Grade, not by UPSC.