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?
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?
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?