Mathematics · Time and Work
Pipe A and Pipe B can fill a tank in 12 hours and 15 hours respectively, and Pipe C can empty the same tank in 20 hours. If all three pipes are opened together, find the time taken to completely fill the tank.
- 1None of the given options✓
- 29 hours
- 38 hours
- 46 hours
Correct answer
None of the given options
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