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

B. BROTHER

If M is the sister of N and N is the brother of O, how is M related to O?

A. SISTER

H is the uncle of I. J is the sister of I. How is H related to J?

B. UNCLE

In a coded relation, if P × Q means P is the father of Q, P + Q means P is the daughter of Q, and P - Q means P is the son of Q, what is the relationship of R if P × R + Q?

B. R IS THE DAUGHTER OF Q

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

A. DAUGHTER