GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
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 | |