X introduces Y saying, 'He is the husband of the granddaughter of the father of my father.' How is Y related to X?
A. Uncle
B. Brother
C. Brother-in-law
D. Co-brother
Answer: Option C
Solution (By JKSSB Mock Tests)
The father of X's father is X's grandfather. The granddaughter of X's grandfather is X's sister (or cousin). Y is the husband of X's sister. Therefore, Y is the brother-in-law of X.
'P @ Q' means 'P is the sister of Q', 'P & Q' means 'P is the mother of Q', and 'P # Q' means 'P is the husband of Q'. If 'A @ B # C & D @ E', then how is A related to E?
Explanation:
Q's mother is P's sister and M's daughter, so M is parent of P's sister and P. Thus M is grandparent of T (child of P). 'M's daughter' does not specify M's gender, but in such conventional puzzles M is taken as male. Therefore M is either maternal or paternal grandfather of T.
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