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      Question

      50 workers working 6 hours a day take 18 days to complete a

      task. How many workers working for 5 hours a day are needed to complete four times the given task in 30 days if they work at 10% higher efficiency?
      A 25 Correct Answer Incorrect Answer
      B 89 Correct Answer Incorrect Answer
      C 64 Correct Answer Incorrect Answer
      D 72 Correct Answer Incorrect Answer

      Solution

      ATQ,

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

      Let the number of workers required be 'M'.

      ATQ:
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