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    Question

    12Men and 12women can complete a piece of work in 9

    days. 6 men and 15 women can complete the same work in 12 days. How long (in days) would it take 9 women to complete half the work?
    A 28days Correct Answer Incorrect Answer
    B 18days Correct Answer Incorrect Answer
    C 12days Correct Answer Incorrect Answer
    D 34days Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    12M + 12W ┬о 9 days ┬а 1M + 1W ┬о 108 days ┬а also, ┬а 6M + 15W ┬о 12 ┬а 2M + 5W ┬о 36 days ┬а ├Ю 108 (1M + 1W) = 36(2M + 5W) 3M + 3W = 2M + 5W M = 2W ┬а M: W=2:1 Total work = 36 (4 + 5) = 36 ├Ч 9 = 324 9 Women complete the half work =162/ 9 = 18 days

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