A & B together can complete a piece of work in 35 days while alone can complete the same work in 60 days B alone will be able to complete the same work in :

A & B together can complete a piece of work in 35 days while alone can complete the same work in 60 days B alone will be able to complete the same work in :
  • A) 72
  • B) 42
  • C) 96
  • D) 84

Correct Answer: D) 84

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