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    Question

    A, B and C can do a work separately in 18, 36 and 54

    days, respectively. They started the work together, but Band C left 5 days and 10 days, respectively, before the completion of the work. In how many days was the work finished?
    A 15 days Correct Answer Incorrect Answer
    B 12 days Correct Answer Incorrect Answer
    C 14 days Correct Answer Incorrect Answer
    D 13 days Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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