Q. A and B are children of D. Who is the father of A? To answer this question which of the statements (1) and (2) is necessary? 1. C is the brother of A and the son of E. 2. F is the mother B.

• A. Only (1)
• B. Only (2)
• C. Either (1) or (2)
• D. (1) and (2) both

Correct Answer: B