'A' is brother of 'B'. 'C' is married to 'D'. If 'C' is the nephew of 'B', then what is the relationship of 'A' with 'D'?

If 'X @ Y' means X is the son of Y, 'X # Y' means X is the wife of Y, and 'X % Y' means X is the brother of Y, and if D is male, what is the relationship of A with D in the expression A @ B # C % D?

B is the brother of A. C is the wife of B. E is the daughter of A. D is the son of B. F is the brother of E. G is the sister of D. Then what is A to G?

If X is the sister of Y, Y is the father of Z and Z is the brother of W, then how is X related to W?

If C is brother of B, B is son of A, D is father of C and A is female, then A is

Introducing Sonia, Aamir says, "She is the wife of only nephew of only brother of my mother." How Sonia is related to Aamir?