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?
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 relationship of R if P * R ÷ Q?
In a coded relation, if M + N means M is the daughter of N, M - N means M is the son of N, and M × N means M is the grandmother of N, what is the relationship of O if M + O - N?
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?