Mathematics · Time and Work
Pipe A can fill a tank in 40 minutes. When an emptying pipe is opened along with pipe A, the fully filled tank is emptied in 2623 minutes. What is the respective ratio of the efficiency of pipe A to that of the emptying pipe?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 : 5
- 23 : 5✓
- 33 : 4
- 45 : 6
Correct answer
3 : 5
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