Question

a and b are nrother ,c and d are sister a son is d brother how is related to c

Answer 1

Answer: D . Uncle  

Justification:

Clearly, B is the brother of A; A's son is D's brother. This means D is the daughter of A.

Since C and D are sister, C is also the daughter of A.

So, B is the uncle of C.

Hence, the answer is (d).