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    Question

    If C + D means C is the mother of D, C – D means C is

    the father of D, C x D means C is the brother of D, and C Γ· D means C is the sister of D.Β  If TX – LY + KX Γ· WY x MX, then which of the following statements is true?
    A MX is male Correct Answer Incorrect Answer
    B LY is the son of TX Correct Answer Incorrect Answer
    C WY is the grandson of TX Correct Answer Incorrect Answer
    D KX is the daughter of MX Correct Answer Incorrect Answer

    Solution

    Based on the given information, the following family tree can be drawn: MX is male β†’ False (as it can’t be determined from the given data) LY is son of TX β†’ False (as LY is daughter of TX) WY is grandson of TX β†’ True (as shown in family tree diagram) KX is daughter of MX β†’ False (as KX is sister of MX) Β  Hence, the correct answer is (C).

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