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    Question

     If 15 women or 18 men or 12 boys can do a piece of

    work in 18 days of 10 hours each, find how many boys assisted by 5 women and 6 men will finish the same work in 20 days of 6 hours each.
    A 10 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 4 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Given, 15 women = 18 men = 12 boys ∴ 1 woman = 6/5 men, 1 boy = 3/2 = 1.5 men Now, 5W + 6M =12 M Total number of men required = 18 X 18/20 X 10/6 = 27 Number of men already present = 12 Hence, 15 men more are required. ∴ No. of boys required = 10

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