Mathematics · Pipes and Cisterns
A cistern is connected to two inlet pipes, A and B, and one outlet pipe, C. Pipe A can fill the cistern in 16 hours, and Pipe B can fill it in 12 hours. Pipe C can drain the entire cistern in 20 hours. If all three pipes are opened at the same time, how long will it take to completely fill the cistern?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19 911 hours
- 28 1225 hours
- 310 1023 hours✓
- 49 35 hours
Correct answer
10 1023 hours
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