Q is the brother of R;

P is the sister of Q;

T is the brother of S;

S is the daughter of R.

Who are the cousins of Q ? 

Rita told Mani, "The girl I met yesterday at the beach was the youngest daughter of the brother-in-law of my friend's mother." How is the girl related to Rita's friend ?

A woman introduces a man as the son of the brother of her mother. How is the man, related to the woman ? 

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

A girl introduced a boy as the son of' the daughter of the father of her uncle. The boy is girl's 

A man pointing to a photograph says, 'The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the man's sister who has no other sister ?  

Deepak said to Nitin, "That boy playing with the football is the younger of the two brothers of the daughter of my father's wife." How is the boy playing football related to Deepak ? 

Pointing out to a lady, a girl said, "She is the daughter-in-law of the grandmother of my father's only son." How is the lady related to the girl ?

Pointing to a photograph, Vipul said, "She is the daughter of my grandfather's only son." How is Vipul related to the girl in the photograph ?