Mathematics · Pipes and Cisterns
Two inlet taps A and B can fill a tank in 20 and 30 minutes respectively. There is an outlet pipe C. If all 3 pipes are opened simultaneously, the tank gets filled in 24 minutes. The time taken by pipe C alone to empty the full tank is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 128 minutes
- 225 minutes
- 324 minutes✓
- 422 minutes
Correct answer
24 minutes
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