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Q: Three taps A, B and C can fill a tank in 40, 48 and 60 hours respectively. How long (in hours) would the three taps take to fill the tank if all them are opened together?
  • A. 12 hours
  • B. 16 hours
  • C. 10 hours
  • D. 8 hours
Correct Answer: Option B -
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Explanations:

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