D, the son-in-law of B , is the brother-in-law of A who is the brother of C. How is A related to B ?
A
Brother
B
Son
C
Father
D
Data inadequate
E
None of these
Correct Answer: Son
D is the son-in-law of B and brother-in-law of A. This means that B is the father/mother of D's wife, ans A is the brother of D's wife. Thus, A is B's son.