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    Question

    A and B can finish a piece of work in 20 days and 30

    days respectively. Both work on alternate days. In how many days will the work be completed when A starts the work?
    A 12 Days Correct Answer Incorrect Answer
    B 24 Days Correct Answer Incorrect Answer
    C 18 Days Correct Answer Incorrect Answer
    D 36 Days Correct Answer Incorrect Answer

    Solution

    Both work alternately on alternate days. A starts first. Thus, 5 units can be worked in 2 days, so time taken to work 60 units = 60/5 =12 Days.

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