Mathematics · Time and Work
A cistern is normally filled in 9 hours but takes 6 hours more to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in how many hours?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 120 hours
- 22412 hours
- 32212 hours✓
- 423 hours
Correct answer
2212 hours
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