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Q. A can complete a piece of work in 10 days, B in 15 days and C in 20 days. A and C worked together for two days and then A was replaced by B. In how many days, altogether, was the work completed ?

  • (A) 10 days
  • (B) 6 days
  • (C) 8 days
  • (D) 12 days
  • Correct Answer - Option(C)
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