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5th Class Mathematics Arithmetic Question Bank Arithmetic

  • question_answer
    If 36 men can finish a piece of work in 25 days, how many days will 15 men take to do it?

    A)  60                               

    B)  70

    C)  80                               

    D)  90

    Correct Answer: A

    Solution :

     36 men can finish the work in 25 days. 1 men can finish the work in \[(25\times 36)\] days. (Less men, more days) 15 men can finish it in \[\frac{(25\times 36)}{15}\] days = 60 days. Hence, the required number of days\[=60\].


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