The length of the bridge, which a train 120 m long and traveling at 45 km/hr can cross in 30 sec is?	Select:  A) 377  B) 367  C) 237  D) 255  E) 267
Speed = 45 * 5/18 = 25/2 m/sec.   Time = 30 sec   Let the length of bridge be x meters.   Then, (120 + x)/30 = 25/2   x = 255 m.   Answer: 255
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The length of the bridge, which a train 120 m long and traveling at 45 km/hr can cross in 30 sec is?