1.

A + B means ‘A is father of B’A - B means ‘A is wife of B’A × B means ‘A is brother of B’A ÷ B means ‘A is daughter of B’If P - R + Q, which of the following is true(A) P is mother of Q (B) Q is daughter of P (C) Pi aunt of Q (D) P is sister of Q

Answer»

(A) P - R + Q, represents R is the father of Q, and P is the wife of R, 

∴ P is the mother of Q



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