In the code, A × B means A is the mother of B, A ÷ B means A is the daughter of B, and A + B means A is the uncle of B. What is the relationship of D if A × D ÷ B?
If P - Q means P is the sister of Q, P + Q means P is the brother of Q, and P × Q means P is the father of Q, what is the relationship of R if P - R + Q?
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 grandfather of B. What is the relationship of C if A + C - B?