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Q: Arjun alone can do a work in 12 days and Bheem alone can do the same work in 15 days with the help of Chetan, they together complete that work in 5 days. How many days will Chetan alone take to do that work ?
  • A. 20 days
  • B. 24 days
  • C. 15 days
  • D. 16 days
Correct Answer: Option A -
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Explanations:

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