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      Question

      30 workers putting in 8 hours a day finish a task in 10

      days. How many days will it take for 20 workers working 12 hours daily to finish the same task?
      A 20 days Correct Answer Incorrect Answer
      B 10 days Correct Answer Incorrect Answer
      C 28 days Correct Answer Incorrect Answer
      D 32 days Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let the required time be T days. So, 30 ├Ч 8 ├Ч 10 = 20 ├Ч 12 ├Ч T T = (30 ├Ч 8 ├Ч 10) / (20 ├Ч 12) T = 10 days

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