Mathematics · Time and Work
Pipe A can fill a tank in 10 hours and pipe B can fill the same tank in 12 hours. Both pipes are opened together and after 3 hours pipe A is closed. Pipe B will fill the remaining part of the tank in:
- 14 hours 48 minutes
- 25 hours
- 35 hours 24 minutes✓
- 45 hours 12 minutes
Correct answer
5 hours 24 minutes
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