The length of the bridge, which a train 150 m long and traveling at 45 km/hr can cross in 30 sec is?
Choose the correct choice from the following choices
A) 377
B) 225
C) 237
D) 245
E) 267
Speed = 45 * 5/18 = 25/2 m/sec.   Time = 30 sec   Let the length of bridge be x meters.   Then, (150 + x)/30 = 25/2   x = 225 m.   Answer: 225
<result>B</result>
The length of the bridge, which a train 150 m long and traveling at 45 km/hr can cross in 30 sec is?