A man pointing to a photograph says, "The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the man's sister who has no other sister ?

Answer: Option B

Explanation:

Since the person who is telling has no brother or sister, so his father son is he himself.
So the man in the photograph is his son.

Answer: Option A

Explanation:

Blood relation Analysis :

Have no brother's or sister, so Harsh is single child

Wife of father's son -> His wife

His wife is mother of the person whose portrait is. So portrait is of his child.

Answer: Option C

Answer: Option D

Explanation:

Blood Relation Analysis :

Father of my daughter's Father = Deepak Father

Brother of Deepak's father = Deepak's Uncle

Answer: Option C