Mathematics · Time and Work
Pipes A and B can fill an empty cistern in 72 minutes and 51 minutes, respectively. Both Pipe A and Pipe B are opened together. After how much time should Pipe A be turned off so that the empty cistern is completely filled in a total of 34 minutes?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 130 min
- 224 min✓
- 335 min
- 420 min
Correct answer
24 min
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