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Q: A and B together can finish a piece of work in 10 days. B and C together can finish it in 15 days. A and C together can finish it in 18 days. In how many days will A, B and C finish it together?
  • A. 7 days
  • B. 8 days
  • C. 9 days
  • D. 10 days
Correct Answer: Option C -
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Explanations:

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