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      Question

      A certain number of men, represented as 'm', can finish

      a task in 40 days. However, if there were 15 additional men, the same task would be completed in 25 days. find out the value of 'm'.
      A 25 Correct Answer Incorrect Answer
      B 12 Correct Answer Incorrect Answer
      C 15 Correct Answer Incorrect Answer
      D 30 Correct Answer Incorrect Answer
      E 45 Correct Answer Incorrect Answer

      Solution

      According to the question, Total amount of work = 40 m units Therefore, 40 m = (m + 15) Γ— 25 Or, 40 m – 25 m = 375 Or, m = 375/15 = 25Β 

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