Consider the following statements A + B means A is the father of B. A / B means A is the daughter of B. A × B means A is the brother of B. A - B means A is the wife of B. If P × R - Q, then which of the following is true? a) P is the father of Q b) P is the aunt of Q c) P is the sister of Q d) P is the brother-in-law of Q.
The correct answer is option (d) – P is the brother-in-law of Q.
P × R means P is the brother of R.
R – Q means R is the wife of Q.
As R is the sister of P and as R is the wife of Q, it can be concluded that P is the brother-in-law of Q.