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Q:

A and B together can complete a certain work in 20 days whereas B and C together can complete it in 24 days. If A is twice as good a work man as C, then in what time will B alone do 40% of the same work? 

  • 1
    12 days
  • 2
    15 days
  • 3
    18 days
  • 4
    10 days
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Answer : 1. "12 days "

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