Mathematics · Pipes and Cisterns
Pipe A can empty a tank in 56 minutes, Pipe B can fill the same tank in 84 minutes, and Pipe C can fill the same tank in 112 minutes. If all three pipes are opened together, how many minutes will it take to fill the tank?
- 1336✓
- 2356
- 3326
- 4346
Correct answer
336
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