Speed = 45 * 5/18 = 25/2 m/sec
Total distance covered = 360 + 140 = 500 m
Required time = 500 * 2/25 = 40 sec
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?

(1) 40
(2) 99
(3) 77
(4) 66
(5) 12