If A + B means A is the mother of B, and B - C means B is the sister of C, what is the relationship of A to C?

B. AUNT

If P ÷ Q means P is the sister of Q, and Q + R means Q is the mother of R, what is the relationship of P to R?

A. AUNT

H is the daughter of I. J is the son of I. How is H related to J?

A. SISTER

If A is the brother of B, and B is the sister of C, what is C to A?

A. SISTER

K is the father of L and M. N is the sister of K. How is N related to L?

A. AUNT