1.  Looking at a portrait of a man, Harsh said, "His mother is the wife of my father's son.
Brother and sister I have none. "At whose portrait was Harsh looking ?
A. His son
B. His cousin
C. His uncle
D. His nephew
E. None of these

Answer: Option A

Explanation:

Since Harsh has no brother or sister,so he is his father's only son.

So wife of Harsh's father's son --> Harsh's wife.

Thus, Harsh's wife is the man's mother or the man is Harsh's son.