A

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Q. A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

  • (A) 12 days
  • (B) 15 days
  • (C) 16 days
  • (D) 18 days
  • Correct Answer - Option(B)
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