Introducing a man, a woman said, “He is the only son of the mother of my mother.” How is the woman related to the man?

Question: Introducing a man, a woman said, “He is the only son of the mother of my mother.” How is the woman related to the man?
[A].

Mother

[B].

Sister

[C].

Niece

[D].

Maternal aunt

Answer: Option C

Explanation:

The man is the only son of the mother of the woman. Hence, the man is the maternal uncle of the woman. So, the woman is the niece of the man.