If A is the sister of C and C is the wife of D. How D is related to A?

Q’s father is B’s son-in-law. C is Q’s sister and the daughter of P. P is the maternal aunt of D. How is P related to B?

Kitty said, “Uthara is one of the two daughters of my mother’s brother’s wife”. How is Kitty’s mother related to Uthara’s sister?

M is the son of N. O is the father of N. P is the father of M. How is N related to P?

Pointing to a boy, Roli said, ‘he is the son of my grandfather’s only son-in-law’. How is Roli related to that boy?

A lady said that father of Rahul’s father is my father. How is the lady related to Rahul?

Pointing to a woman, I said that her brother’s only son is the brother of my wife. How is the woman related to me?

A family has 6 members P, Q, R , S , T and U. Q is the son of R, but R is not the mother of Q. P and R are a married couple. T is the brother of R. S is the daughter of P. U is the sister of Q.

How many brothers does U have?