GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
22. | Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in? | |
A. | 1 13/17 hours | |
B. | 2 8/11 hours | |
C. | 3 9/17 hours | |
D. | 4 1/2 hours | |