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Discussion :: Time and Work

  1. Worker A completes a task in 8 days, and worker B completes the same task in 10 days. If both A and B work together, in how many days they will complete the task?
    2. A.
    Apti Time and work 22days.
    B.
    Apti Time and work 23days.
    C.
    Apti Time and work 24days.
    D.
    Apti Time and work 25days.

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    Answer : Option B

    Explanation :

    Worker A completes the task in 8 days. So, in one day, he will completeApti Time and work 26part of the task.

    So, A's one day work =Apti Time and work 26

    Similarly, B's one day work =Apti Time and work 27

    ∴ (A+B)'s one day work =Apti Time and work 28

    Apti Time and work 29of the task is completed in one day so both will complete the whole task inApti Time and work 30days

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