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 ?
Pick one:
A) Mother
B) Sister
C) Aunt
D) Grandmother
E) Brother
Explanation:   Only son of Amar's mother's father — Amar's maternal uncle.   So, the girl's maternal uncle is Arnar's maternal uncle. Thus, the girl's mother is Amar's aunt.   Answer: Aunt
<result>C</result>
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 ?