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 ?

Answer: D. P is the son of Q
P X R ÷ Q means P is the brother of R who is the daughter of Q i.e. P is the son of Q.