If A + B means A is the brother of B; A x B means A is the son of B; and A % B means B is the daughter of A then which of the following means M is the maternal uncle of N?

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