Mathematics · Pipes and Cisterns
A chemical reservoir has two pipes. The first pipe can fill the empty reservoir in 10 hours while the full reservoir can be emptied by the second pipe in 15 hours. What is the time required to fill half the reservoir when both pipes are in action together?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15 hours
- 23 hours
- 315 hours✓
- 430 hours
Correct answer
15 hours
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