In a coded relation, A × B means A is the daughter of B, A + B means A is the son of B, and A - B means A is the cousin of B. What is the relationship of C if A × C + B?

A. C IS THE MOTHER OF A

If M - N means M is the father of N, and N + O means N is the son of O, what is the relationship of M to O?

D. GRANDFATHER

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 relation of C if A + C × B?

B. C IS THE DAUGHTER OF A

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

In a coded relation, if P ÷ Q means P is the father of Q, P - Q means P is the daughter of Q, and P + Q means P is the son of Q, what is the relationship of R if P ÷ Q + R?

C. R IS Q'S SON