In a coded relation, if A ÷ B means A is the son of B, B + C means B is the sister of C, and C * D means C is the mother of D, what is the relationship of A to D?

D. A IS THE GRANDSON OF D

A is the brother of B. C is the sister of A. How is C related to B?

A. SISTER

If A is the brother of B, and B is the sister of C, what is the relationship of A to C?

A. BROTHER

D is the daughter of E. F is the son of E. How is F related to D?

A. BROTHER

If D is the daughter of E, and E is the mother of F, what is the relationship of D to F?

A. SISTER