Speed = 45 * 5/18 = 25/2 m/sec
Total distance covered = 360 + 290 = 650 m
Required time = 650 * 2/25 = 52 sec
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 290 m long?
a: 40 sec
b: 52 sec
c: 45 sec
d: 48 sec
e: 50 sec