Mathematics · Pipes and Cisterns
Two pipes A and B can fill an empty tank in 50 minutes and 40 minutes, respectively. Pipe C alone can empty the completely filled tank in 1 hour and 40 minutes. Initially, both pipes A and B are opened together, and after 16 minutes, pipe C is also opened. What will be the total time (in minutes) taken to completely fill the tank?
- 116
- 224✓
- 328
- 420
Correct answer
24
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