GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
24. | A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely? | |
A. | 6 min. to empty | |
B. | 6 min. to full | |
C. | 9 min. to empty | |
D. | 9 min. to full | |