Mathematics · Time and Work
Pipe A and pipe B can fill a tank in 12 hours and 16 hours respectively. If both pipes are opened alternately for 1 hour each, starting with pipe A, in how much time will the tank be filled?
- 112 2 3 hours
- 27 2 3 hours
- 313 2 3 hours✓
- 46 3 4 hours
Correct answer
13 2 3 hours
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