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      Question

      Employee P manufactures 24 bottles an hour, and Employee Q

      manufactures 16 bottles per hour. If 20% of the bottles are damaged, how much time is required to produce 320 good bottles?
      A 10 hrs Correct Answer Incorrect Answer
      B 12 hrs Correct Answer Incorrect Answer
      C 24 hrs Correct Answer Incorrect Answer
      D 20 hrs Correct Answer Incorrect Answer

      Solution

      ATQ,

      (To make 320 good bottles, they need to make:

      320 ÷ 0.8 = 400 bottles in total

      Time taken to make 400 bottles = 400 ÷ (24 + 16) = 400 ÷ 40 = 10 hours

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