Aptitude - Pipes and Cisterns - Discussion
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| Q. | Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fill the tank is: |
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| Answer: | Option C | |
| Explaination: |
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