The length of the bridge, which a train 160 m long and traveling at 45 km/hr can cross in 30 sec is?	Options.
A) 377	B) 367	C) 237	D) 215	E) 267

Rationale: "speed = 45 * 5 / 18 = 25 / 2 m / sec . time = 30 sec let the length of bridge be x meters . then , ( 160 + x ) / 30 = 25 / 2 x = 215 m . answer : d"
Answer: D