Mathematics · Pipes and Cisterns
A tap can empty a tank in 30 minutes while a second tap can empty it in 20 minutes. If both the taps are kept open simultaneously, how much time is required to completely empty the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 155 minutes
- 250 minutes
- 325 minutes
- 412 minutes✓
Correct answer
12 minutes
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