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 = true?

A. C IS THE SISTER OF B

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 son of B. If D ÷ C - A = true, what is the relationship of D to A?

A. D IS A'S MOTHER

If '?' represents addition and '?' represents subtraction, what is the result of 7 ? 5 ? 3?

D. 8

If A + B means A is the uncle of B, A - B means A is the aunt of B, and A × B means A is the cousin of B. What is the relationship of C if A + C - B = true?

B. C IS THE AUNT OF B

If '?' represents multiplication and '?' represents division, what is the value of 12 ? 4 ? 3?

A. 48