Introducing a man, a woman said," His wife is the only daughter of my father," How is that man related to the woman?

A. Father B. Brother C. Uncle D. Grandfather

A. Q is the grandfather of A B. P is the maternal uncle of A C. P is the cousin of A D. Z is the brother of C

A. Dinesh B. Dinesh's brother C. Dinesh's father D. Dinesh's son

A. His son B. His nephew C. His cousin D. His uncle