A woman introduces a man as the son of the brother of her mother. How is the man related to the woman? MCQ with Answer and Explanation

'P @ Q' means 'P is the husband of Q', 'P & Q' means 'P is the mother of Q', 'P × Q' means 'P is the father of Q', and 'P # Q' means 'P is the sister of Q'. If 'A # B @ C & D × E', then how is D related to A?

Pointing to a boy, Naveen said, 'His grandmother's only daughter is my grandmother's daughter.' How is that boy related to Naveen?

In a family of seven persons, B is the brother of A and the son of C. D is the son-in-law of C. C has two grandsons E and F. A is the mother of F, who is the niece of G. E is the son of G. If C has two children, then how is E related to D?