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

In a coded relationship, 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 daughter of Q, what is the relationship of R if P × R ÷ Q means P is the mother of R and R is the father of Q?

B. R IS Q'S SON

If P - Q means P is the mother of Q, Q + R means Q is the sister of R, and R * S means R is the father of S, what is the relationship of P to S?

A. GRANDMOTHER

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

A. COUSIN

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 mother of B, what is the relation of C if A + B × C?

B. C IS A'S DAUGHTER