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    Question

    Rahul is 50% more efficient than that of Ramu. If Ramu

    can complete the work in 20 days, then find the time taken by both of them to complete 50% of the work.
    A 4 days Correct Answer Incorrect Answer
    B 5 days Correct Answer Incorrect Answer
    C 6 days Correct Answer Incorrect Answer
    D 2.5 days Correct Answer Incorrect Answer
    E 8 days Correct Answer Incorrect Answer

    Solution

    Let the number of units of work done by Ramu in one day = 1 unit So, the number of units of work done by Rahul in one day = 1.5 units Total work = 20 × 1 = 20 units Required time taken by both of them to complete 50% of work = 10/(1 + 1.5) = 4 days

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