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Q: Brij alone can paint a wall in 7.2 days while Madhu takes 10.8 days to do the same work. Working together how many days will they take to paint 5/6 part of the wall?
  • A. 4.2
  • B. 3.6
  • C. 3.9
  • D. 4.8
Correct Answer: Option B -
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Explanations:

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