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Q:

A can do as much work as B and C together can do. A and B can together do a piece of work in 9 hours 36 minutes and C can do it in 48 hours. The time (in hours) that B needs to do the work alone, is: 

  • 1
    18 hrs
  • 2
    24 hrs
  • 3
    30 hrs
  • 4
    12 hrs
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Answer : 2. "24 hrs"

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