Discussion

How is M related to N ?

Statements:

1. B is the daughter of M and sister of Q.

2. N is the son of K who is B's grandfather.

Answer: D

From 2, we know that N is K's son and K is B's grandfather. Thus, N is the son of B's grandfather i.e. N is either father or uncle of B.

From 1, B is the daughter of M. So, M is either father or mother of B.

Clearly, the correct relationship between M and N cannot be deduced.

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