Mathematics · Time and Work
Two pipes can fill a cistern, individually, in 96 min and 64 min, respectively. There is a pipe located at the bottom of the cistern to empty it. If all three pipes are opened simultaneously, then the empty cistern gets filled in 48 min. How long will the pipe at the bottom of the tank take to empty the completely filled cistern if no other pipe is open?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1201 min
- 2207 min
- 3192 min✓
- 4175 min
Correct answer
192 min
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