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Q: A certain number of persons can complete a work in 34 days working 9 h a day. If the number of persons is decreased by 40% then how many hours a day should the remaining persons work to complete the work in 51 days ?
  • A. 9
  • B. 10
  • C. 8
  • D. 12
Correct Answer: Option B -
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Explanations:

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