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      Question

      M alone can complete a work in 50 days and  N  alone

      can complete the same work in 100 days. If both of them  work together, then in 25 days what percent work of  the total work will be completed?
      A 60 percent Correct Answer Incorrect Answer
      B 55 percent Correct Answer Incorrect Answer
      C 75 percent Correct Answer Incorrect Answer
      D 80 percent Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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