Mathematics · Pipes and Cisterns
A pipe can fill a water tank in 36 minutes, and another can fill it in 48 minutes, but a third pipe can empty it in 18 minutes. The first two pipes are kept open for 16 minutes at the beginning, and then the third pipe is also opened. How long does it ta ke to empty the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1112 minutes✓
- 2120 minutes
- 398 minutes
- 485 minutes
Correct answer
112 minutes
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