New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Ratio of the work done by P, Q and R in one day is 8:6:9

    respectively. They all together can complete the work in 37 days. Q and R worked on it for 21 days. In how many days P will complete the remaining work.
    A 56 days Correct Answer Incorrect Answer
    B 67 days Correct Answer Incorrect Answer
    C 58 days Correct Answer Incorrect Answer
    D 75 days Correct Answer Incorrect Answer

    Solution

    Let total amount work be = 37 x 23 = 851 units Amount of work done by Q and R in 21 days = 21 x 15 = 315 units Amount of work left = 851 – 315 = 536 Required time = 536/8 = 67 days

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