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

If A + B means A is the brother of B, A - B means A is the sister of B, and A × B means A is the father of B, what is the relationship of C if A + C - B?

A. C IS THE SISTER OF B

In a coded relation, if 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, what is the relation of R if P * R ÷ Q?

B. R IS THE DAUGHTER OF P

If X - Y means X is the uncle of Y, X + Y means X is the aunt of Y, and X × Y means X is the brother of Y, what is the relationship of Z if X - Z × Y?

C. Z IS Y'S BROTHER

If A ÷ B means A is the sister of B, A * B means A is the father of B, and A + B means A is the mother of B, what is the relationship of C if A * C ÷ B?

C. C IS A'S SON