A + B means A is the daughter of B ;
A x B means A is the son of B  and
A - B means A is the wife of B.

If P x Q - S, which of the following is true ?

B. S IS FATHER OF P

A + B means A is the father of B ;
A - B means A is the wife of B ;
A x B means A is the brother of B ;
A ÷ B means A is the daughter of B.

If P x R ÷ Q, which of the following statements is true ?

D. P IS THE SON OF Q

A + B means A is the daughter of B ;
A - B means A is the husband of B ;
A x B means A is the brother of B.

If P x Q + R, which of the following is true ?

C. P IS THE SON OF R