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Q:

A can do a piece of work in 20 days and B in 30 days. They work together for 7 days and then both leave the work.  Then C alone finishes the remaining work in 10 days. In how many days will C finish the full work?

  • 1
    25 days
  • 2
    30 days
  • 3
    24 days
  • 4
    20 days
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Answer : 3. "24 days"

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