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     EduGorilla 
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    If 20 men can do a certain piece of work I n 10 days and one of them starts the work alone and from second day one additional worker joins him every day then in how many days the work will be completed ?

    Options :-

    1. 19.5 Days
    2. 20.5 Days
    3. 21.5 Days
    4. 14.2 Days
    5. 20 Days
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