Mathematics · Time and Work
A tank has two inlets, A and B. A alone can fill it in 8 hours and B alone can fill it in 4 hours. If both the inlets are open, how long will it take to fill the tank?
- 12 hours
- 22 23 hours✓
- 34 23 hours
- 43 23 hours
Correct answer
2 23 hours
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