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Discussion :: Time and Work

  1. A can do a work in 10 days and B can do the same work in 15 days. If they start working together but stop working after four days, find the fraction of the work that is left.

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    Answer : Option A

    Explanation :

     

    A's one day work =Apti Time and work 41

    B's one day work =Apti Time and work 42

    (A + B)'s one day work =Apti Time and work 43

    Apti Time and work 44

    A and B's four day work =Apti Time and work 45

    Therefore,the remaining work =Apti Time and work 46

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