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    Question

    Ratio of the work done by P, Q and R in one day is 6:4:7

    respectively. They all together can complete the work in 45 days. Q and R worked on it for 27 days. In how many days P will complete the remaining work.
    A 54 days Correct Answer Incorrect Answer
    B 63 days Correct Answer Incorrect Answer
    C 88 days Correct Answer Incorrect Answer
    D 78 days Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let total amount work be = 45 x 17 = 765 units Amount of work done by Q and R in 27 days = 27 x 11 = 297 units Amount of work left = 765 – 297 = 468 Required time = 468/6 = 78 days

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