The length of the bridge, which a train 150 m long and traveling at 45 km/hr can cross in 30 sec is? Choices:
A) 377	B) 225	C) 237	D) 245	E) 267

Rationale: "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 : b"
Answer: B