Pointing to a man in a photo-graph a woman says. He is the father-in-law of the wife only paternal grandson of my own father-in-law. How is woman related to man?

In a family A is the brother of B , C is the father of A, D is the brother of E and E is a daughter of B then the uncle of D is ? 

Vikas showed a photograph and said: “She is the daughter of my grandfather’s only son.” What is the relation of Vikas with the girl in photograph?

G is father than H but not as fat as M. Q is also not as fat as M. Who is the most lean person in the group?

A is B’s daughter; B is C’s mother D is C’s brother. What is the relation of D with A?

If A is the mother of B. C is the son A, D is the brother of E, E is the daughter of B. Who is the grandmother other of D?

Deepak said to Nitin, " That boy playing 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?