Question

    Sudhir is 4.5 times as efficient as Aarav. If they work

    together, they can complete a piece of work in 9 days. How many days will Aarav take to do the same work alone?
    A 49.5days Correct Answer Incorrect Answer
    B 48.5days Correct Answer Incorrect Answer
    C 44.5days Correct Answer Incorrect Answer
    D 40days Correct Answer Incorrect Answer

    Solution

    Efficiency of Sudheer and Aarav=4.5 and 1. Sudheer         Aarav 4.5                  1 They work together with total efficiency – 4.5+1=9days. Total work =9×5.5=49.5unit. Aarav takes time the complete work =49.5/1=49.5days.

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