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Q: A can do a piece of work in 4 hours; B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it ?

  • 1
    10 hours
  • 2
    12 hours
  • 3
    8 hours
  • 4
    24 hours
  • Show Answer
  • Workspace

Answer : 2. " 12 hours"

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