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    Question

    If 12 men can build a wall in 15 days, how many men are

    required to build the same wall in 10 days?
    A 12 Correct Answer Incorrect Answer
    B 13 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer

    Solution

    M1 × D1 = M2 × D2 12 × 15 = M2 × 10 180 = 10 × M2 M2 = 18.

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