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Q: A tube can fill a tank in 15 hours. Due to leakage in its bottom, it gets filled in 20 hours. If the tank is fully filled, then due to leakage it will get empty in how much time?
  • A. 20 hours
  • B. 60 hours
  • C. 32 hours
  • D. 40 hours
Correct Answer: Option B -
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Explanations:

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