Introducing a man, a woman said, "He is the only son of my mother's mother." How is the woman related to the man ?

A. Mother

B. Aunt

C. Sister

D. Niece

E. None of these

Answer: Option D

Solution(By Examveda Team)

Mother's mother---Maternal grand mother; Maternal grand mother's only son----Maternal uncle.
So, the man is woman's maternal uncle i.e., the woman is man's niece.