Blood Relations Questions

Introducing a boy, a girl says, "He is the son of the sister of my mother's brother." How is the boy related to the girl?

A & B are married couple. X and Y are brothers. X is the brother of A. How is Y related to B?

Sumit's grandfather's brother is the father of Hemant's father. How is Sumit related to Hemant?

Introducing a boy, Amar said, "He is the son of my maternal grandfather's son." How is that boy related to Amar?

Pointing to a lady, Diwakar said, "Her mother's only grandson is my son." How is that lady related to Diwakar?

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

Nisha's father's brother­-in-­law is the brother of Neha. How is Nisha related to Neha?

Pointing towards a lady in a photograph, a girl says, "Vidit's grandmother is the mother-in-law of this lady". How is the lady in the photograph related to Vidit?