How is the Girl's mother related to Rahul?

Question

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

Answer 1

Girl's mother is rahul's aunt ie: massi.

Answer 2

Mother or Aunt (massi)

Answer 3

If Rahul's Mother's Dad has only two childern, then Girl's mother is his Mom.

If Rahul's Mother's Dad has more than two childern, then Girl's mother can be his aunt also.