GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
46. | Two pipes A and B can fill a tank in 4 and 5 hours respectively. If they are turned up alternately for one hour each, the time taken to fill the tank is? | |
A. | 2 hrs 15 min | |
B. | 4 hrs 24 min | |
C. | 5 hrs | |
D. | 3 hrs | |