Mathematics · Pipes and Cisterns
A cistern can be filled with water by an inlet pipe in 9 hours and it can be emptied by an outlet pipe in 8 hours. If both pipes are opened when the cistern is full, find the time in which half of the cistern will be emptied.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 136 hours
- 272 hours✓
- 324 hours
- 448 hours
Correct answer
72 hours
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