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      Question

      25 employees working 9 hours a day take 20 days to complete

      a project. How many employees working for 8 hours a day are needed to complete twice the given project in 25 days if they work at 15% higher efficiency?
      A 25 Correct Answer Incorrect Answer
      B 89 Correct Answer Incorrect Answer
      C 64 Correct Answer Incorrect Answer
      D 49 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let the total work be 'W' units and the efficiency of each employee be 'E' units/hour.

      Let the number of employees required be 'M'.

      ATQ:
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