A train is 357 meter long is running at a speed of 42 km/hour. In what time will it pass a bridge of 137 meter length? Choose the correct choice from the following answers.
A) 44	B) 42.343	C) 50	D) 39.252	E) 27.851

Rationale: "speed = 42 km / hr = 42 * ( 5 / 18 ) m / sec = 35 / 3 m / sec total distance = 357 + 137 = 494 meter time = distance / speed = 494 * ( 3 / 35 ) = 42.343 seconds . answer : b"
Answer: B