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Q:

A certain number of men can complete a work in 17 days working 8 hour a day. If the number of people is decreased to 60%. Then, find in how many hrs in a day should the remaining people work to complete the work in 51/2 days?

  • 1
    20
  • 2
    9
  • 3
    12
  • 4
    12
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Answer : 1. "20 "

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