Mathematics · Time and Work
Pipe A is a filling pipe while B and C are emptying pipes. Pipe A alone can fill the tank in 10 hours and pipe B alone can empty two-third part of the tank in 20 hours. If all the pipes are opened together, the tank is completely filled in 40 hours. In how many hours can C alone empty two-third part of the tank?
- 120
- 216✓
- 312
- 424
Correct answer
16
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