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Q:

If 10 men or 20 women or 40 children can do a piece of work in 7 days, then 5 men, 5 women and 5 children together can do half of the work in 

  • 1
    6 days
  • 2
    4 days
  • 3
    8 days
  • 4
    5 days
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Answer : 3. "8 days"

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