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 son of Q, what is the relationship of R if P × R ÷ Q?
If X - Y means X is the sister of Y, X + Y means X is the brother of Y, and X × Y means X is the uncle of Y, what is the relationship of Z if X - Z + Y?
In a coded relationship, if A + B means A is the father of B, A - B means A is the daughter of B, and A × B means A is the son of B, what is the relationship of C if A + C - B?
If M × N means M is the grandmother of N, M + N means M is the grandfather of N, and M - N means M is the aunt of N, what is the relationship of O if M × O + N?