Mathematics · Time and Work
Three pipes, A, B and C, can fill a tank in 30 hours, 40 hours and 120 hours, respectively. However, Pipe A is operating at only 90% efficiency, while Pipe B has a leakage that causes a 20% reduction in its flow rate. Pipe C remains unaffected. If all three pipes are opened simultaneously, how long will it take to fill the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Approximately 16 hours and 6 minutes
- 2Approximately 17 hours and 9 minutes✓
- 3Approximately 16 hours and 9 minutes
- 4Approximately 17 hours and 6 minutes
Correct answer
Approximately 17 hours and 9 minutes
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