question_answer

A is the brother of B. C is the sister of A. D is the brother of E, and F is the daughter of B. Who is D's uncle?

A)  D                    

B)  A

C)  E                    

D)  Data inadequate

Correct Answer: D

Solution :

  As there is no connection of D with any- one else apart from E (who is D?s brother), Hence, data is inadequate to obtain a unique solution.