A

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Q. A and B can complete a piece of work in 30 days, B and C in 20 days, while C and A in 15 days. If all of them work together, the time taken in completing the work will be

  • (A) 13 1/3 days
  • (B) 12 2/3 days
  • (C) 10 days
  • (D) 12 days
  • Correct Answer - Option(A)
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