If J ÷ K means J is the daughter of K, and K - L means K is the mother of L, what is the relationship between J and L?

A. SISTER

If X is the father of Y and Y is the brother of Z, what is Z's relation to X?

C. CHILD

A is the brother of B. C is the sister of A. How is C related to B?

A. SISTER

A is the brother of B. C is the sister of A. How is C related to B?

A. SISTER