Blood Relations Questions

Q is P's sister. R is P's mother. M is Mrs. R's father. How is Q's father related to M?

If X has two sisters - Y and Z, and W's mother is the sister of Y's father, then W is Z's ___.

A boy says to a girl, "Your father's wife is the only daughter of my maternal grandmother." How is the boy related to the girl?

Introducing a girl, a boy says, "She is the daughter of my father's only brother­in­law". How is the girl related to the boy?

Chanda is the wife of Bharat. Mohan is the son of Chanda. Ashish is the brother of Bharat and father of Dhruv. How is Mohan related to Dhruv?

A woman pointing to a man said, "He is the widower of my uncle's brother's daughter." How is the man related to the woman?

Kishan is the son­in­law of Rajesh's father­in­law. Rajesh's wife has a younger sister. How is Rajesh related to Kishan?

Introducing a man, a woman said that, "He is the son of my mother's brother's father's son." Then how  is the woman related to the man?