Two inlets can fill a tank in 8 hours and 9 hours respectively while a third inlet empties a full tank in 5 hours. If all the three inlets operates simultaneously, in how much time approximately will the tank be filled?

Options
- 25 hours 30 minutes
- 35 hours 30 minutes
- 27 hours 41 minutes
- 22 hours 30 minutes

CORRECT ANSWER : 27 hours 41 minutes

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