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811

Q:

A and B together can complete a work in 12 days, A alone can complete in 20 days. If B now does the work only for half a day daily, then the number of days required to complete the work, by A and B together, is

  • 1
    18
  • 2
    15
  • 3
    14
  • 4
    16
  • Show Answer
  • Workspace

Answer : 2. "15"

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