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

A. SON

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

A. SISTER

In a coded relation, if A ÷ B means A is the father of B, B - C means B is the sister of C, and C + D means C is the brother of D, what is the relationship of A to D in A ÷ B - C + D?

B. A IS D'S FATHER

G is the uncle of H. H is the daughter of J. How is G related to J?

B. BROTHER-IN-LAW

If N is the sister of O and P is the brother of O, what is the relationship of P to N?

B. BROTHER