Blood Relations Questions

Introducing a man, a woman says, "He is the son-in-law of the wife of my father and I am the only child of my parents". How is the man related to the woman?

Pointing towards a girl, Chetan said "She is the daughter of the only child of my grandmother". How is Chetan related to that girl?

Johnny's father is the brother­in­law of Nisha's only sister. How is Johnny related to Nisha?

X and Y are brothers. R is the father of Y. T is the sister of S who is maternal uncle of X. How is T related to R?

A boy and a girl are playing in a park. The only daughter of the maternal grandfather of the girl, is the sister of the boy's father. How is the boy related to the girl?

If X's mother is the only daughter of Y's father, then Y's husband 's father is X's ___.

B is the brother of A, and A is the son of C. D is C's father. How is B related to D?

'A' and 'B' are brothers. 'C' and 'D' are sisters. A's son is D's brother. How is B related to C?