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    Question

    Ratio of the present ages of Jack and Kevin is 7:m

    respectively. Five years hence from now, the sum of the ages of Jack and Kevin will be 55 years. Six years ago from now, the age of Liam, who is six years elder to Kevin, was 24 years. Find the value of (m + 5)(m + 6).
    A 182 Correct Answer Incorrect Answer
    B 355 Correct Answer Incorrect Answer
    C 282 Correct Answer Incorrect Answer
    D 195 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    6 years ago, Liam = 24 → Now = 30 Kevin = 30 − 6 = 24 5 years later: Kevin = 29 Let Jack’s current age = J → J + 5 + 29 = 55 → J = 21 Jack : Kevin = 21 : 24 = 7 : 8 → m = 8 (m + 5)(m + 6) = (8 + 5)(8 + 6) = 13 × 14 = 182

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