Question

    If X – Y means that X is the mother of Y, X ×

    Y means that X is the father of Y, X ÷ Y means that X is the sister of Y, then which of the following expression shows that Q is the son of P?
    A P – Q × R Correct Answer Incorrect Answer
    B P – Q ÷ R Correct Answer Incorrect Answer
    C Q – P × R Correct Answer Incorrect Answer
    D R × Q – P Correct Answer Incorrect Answer

    Solution

    According to the expression P – Q × R, P – Q means  P is the mother of Q. or we can say Q is Son/Daughter of P. Q × R means Q is the father of R,  That means is Q is Son of P.

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