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Q: A and B together can do a work in 10 days. B and C together can do the same work in 15 days, while C and A together can do the same work in 20 days. In how many days can A, B and C working together complete the same work?
  • A.
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  • B.
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  • C.
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  • D.
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Correct Answer: Option A -
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Explanations:

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