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    Question

    A person 'M' is 5 years younger than 'N' and also 9

    years less than twice the age of 'P'. Given that the ages of 'N' and 'P' are in the ratio 7:4, determine the current age of 'M'.
    A 17 Correct Answer Incorrect Answer
    B 20 Correct Answer Incorrect Answer
    C 14 Correct Answer Incorrect Answer
    D 23 Correct Answer Incorrect Answer

    Solution

    ATQ;
    Let 'N' = 7x, and 'P' = 4x
    'M' = 'N' тАУ 5 = 7x тАУ 5
    Also, 'M' = 2('P') тАУ 9 = 2(4x) тАУ 9 = 8x тАУ 9
    Hence, 7x тАУ 5 = 8x тАУ 9
    x = 4
    'M' = 7(4) тАУ 5 = 28 тАУ 5 = 23

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