Speed = 45 * 5/18 = 25/2 m/sec
Total distance covered = 260 + 140 = 400 m
Required time = 400 * 2/25 = 32 sec
A train 260 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?

A: 40
B: 32
C: 26
D: 21
E: 14