GAT Subject
Engineering
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Pipes and Cisterns - Data Intensity 1 :: Discussion
| 14. | Two pipes A and B can fill a tank in 15 min and 20 min respectively. Both the pipes are opened together but after 4 min, pipe A is turned off. What is the total time required to fill the tank? | |
| A. | 10 min 20 sec | |
| B. | 11 min 45 sec | |
| C. | 12 min 30 sec | |
| D. | 14 min 40 sec | |
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