1) A and B are brothers. C and D are sisters. A's son is D's brother. How is B related to C ? A) Father B) Brother C) Grandfather D) Uncle E) None of these Answer: Option DExplanation: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 sisters, C is also the daughter of A. So, B is the uncle of C. Hence, the answer is (d).