Speed = 99 * 5/18 = 55/2 m/sec
Total distance covered = 300 + 195 = 495 m
Required time = 495 * 2/55 = 18 sec
A train 300 m long is running at a speed of 99 km/hr. In what time will it pass a bridge 195 m long?
Options:
1) 17
2) 18
3) 19
4) 20
5) 21