X is the son of Y. Y is Z's wife. W is the father of Z. So Y will be W.

Pointing towards a lady, a boy says, “She is the daughter of the woman who is the mother of the husband of my mother”. How is the lady related to the boy?

Introducing Asha to guests, Ramesh said, “Her father is the only son of my father”. How is Asha related to Ramesh?

Pointing towards a lady in a picture, Suresh says, “She is the only daughter-in-law of my paternal grandfather’s wife.” How is the lady related to Suresh?

Gopal said, pointing to Govind “His father is my father's only son ". How is Gopal related to Govind? 

Vinod introduces Vishal as the son of the only brother of his father's wife. How is Vinod related to Vishal? 

A, is brother of B. C is mother of A.  B is granddaughter of D. and F is the son of A. what is relation of F to D?

A, B and C are sisters, D is the brother of E and E is the daughter of B. How is A related to D?