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Q: Pipes A and B can fill a tank in one hour and two hours respectively while pipe C can empty the filled up tank in one hour and fifteen minutes. A and C are turned on together at 9 am After 2 hours, only A is closed and B is turned on. When will the tank be emptied?
  • A. 10:30 am
  • B. 12:20 pm
  • C. 11:30 am
  • D. 12:10 pm
Correct Answer: Option B -
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Explanations:

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