1.  If A $ B means A is the brother of B; B * C means B is the son of C; C @ D means C is the wife of D and A # D means A is the son of D, how C is related to A?
A. Maternal grandmother
B. Maternal aunt
C. Aunt
D. Mother

Answer: Option D

Explanation:

A $ B ? A is the brother of B

B * C ? B is the son of C

Hence, ? A is the son of C

C @ D ? C is the wife of D

Hence, ? C is the mother of A.