Mathematics · Time and Work
A cistern has a hole at the bottom through which water leaks. A tap can fill the cistern in 7 hours and the hole at the bottom can empty the fully filled cistern in 8 hours. If both the tap and the hole are open, then what will be the time taken to completely fill the empty cistern?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 156 hours✓
- 266.5 hours
- 375 hours
- 436.6 hours
Correct answer
56 hours
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