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

    Question

    Tony has 3 sons – Harry, Peter and Murphy. Harry

    and Peter can complete the work in 24 days and 36 days respectively. In how many days Murphy will complete the work, if Tony could alone complete the whole work in 36/11 days. Tony can do double the work in same time in which all the sons together can complete the work . In how many days Murphy alone can do the whole work?
    A 16 Correct Answer Incorrect Answer
    B 8 Correct Answer Incorrect Answer
    C 12 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    Harry + Peter + Murphy = 11 3 + 2 + Murphy = 11 Murphy = 6 Murphy can complete the work = 72/6 = 12 days

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