Pointing to a girl in the photograph, Amar said, "Her mother's brother is the only son of my mother's father." How is the girl's mother related to Amar?

A. Mother

B. Sister

C. Aunt

D. Grandmother

E. None of these

Answer: Option C

Solution(By Examveda Team)

Only son of Amar's mother's father---Amar's maternal uncle.
So, the girl's maternal uncle is Amar's maternal uncle. Thus, the girl's mother is Amar's aunt.