Mathematics · Pipes and Cisterns
Pipe A alone can fill a tank in 10 hours and Pipe B alone can fill the same tank in 12 hours. Both pipes are opened alternately for one hour each, starting with Pipe B for the first hour. In how much time will the tank be completely filled?
- 16 hours
- 211 hours✓
- 35 hours
- 410 hours
Correct answer
11 hours
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