Blood Relations Questions

Introducing a boy, Sia says, "He is the grandson of my father. I have no siblings." How is Sia is related to the boy?

Introducing a boy, Amarjeet says, "He is the son of the daughter of my father." How is boy related to the Amarjeet?

A man introduces a lady as the daughter of the daughter of the father of his uncle. His uncle has only one sibling. The lady is the man's __.

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

Aryan has a brother named Bishnu. Aryan is the son of Chetan. Dev is Chetan's father. In term of relationship, what is Bishnu of Dev?

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

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

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