Question

    Present age of ‘M’ is 25% more than that of ‘N’.

    4 years ago, ‘M’ was 1.5 times as old as ‘N’. What is the present age of ‘N’?
    A 8 years Correct Answer Incorrect Answer
    B 10 years Correct Answer Incorrect Answer
    C 12 years Correct Answer Incorrect Answer
    D 14 years Correct Answer Incorrect Answer

    Solution

    Let the present age of ‘N’ be ‘x’ years
    Therefore, present age of ‘M’ = 1.25x years
    ATQ;
    (1.25x – 4) = 1.5 × (x – 4)
    Or, 1.25x – 4 = 1.5x – 6
    Or, 2 = 0.25x
    Or, x = 8
    Therefore, present age of ‘N’ = 8 years

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