1. The question below consists of two statements, S1 and S2. You have to decide whether the statements are sufficient to answer the question. A1. If the answer can be obtained from S1 alone, but not from S2 alone. A2. If the answer can be obtained from S2 alone, but not from S1 alone. A3. If the answer can be obtained from S1 and S2 together, although neither statement alone is sufficient. A4. If S1 alone is sufficient and S2 alone is sufficient to obtain the answer. How is P related to R? S1: Q is the son of R. S2: Q is the brother of P.

2. Looking at the photograph of a man, Sunil said, "His mother is the wife of my father's son. I have no brothers or sisters." How is the man in the photograph related to Sunil?

3. Pointing to a lady, a man said, "The son of her only brother is the brother of my wife." How is the lady related to the man?

4. Saurabh is the son of the brother of Sunitha, who is the sister of Suresh. How is Saurabh related to Suresh?