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    Question

    The ratio of efficiencies of Ajay and Bijay is 7:8,

    respectively. Ajay and Bijay together can complete the total work in 24 days. In how many days will Bijay alone complete the whole work?
    A 25 days Correct Answer Incorrect Answer
    B 40 days Correct Answer Incorrect Answer
    C 35 days Correct Answer Incorrect Answer
    D 45 days Correct Answer Incorrect Answer

    Solution

    ATQ, Let the efficiency of Ajay and Bijay be 7 units per day and 8 units per day, respectively. Total amount of work = (7 + 8) ├Ч 24 = 360 units Time taken by Bijay alone to compete the whole work = 360 / 8 = 45 days

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