A train is 327 meter long is running at a speed of 40 km/hour. In what time will it pass a bridge of 122 meter length? Choose the correct choice from the following answers:
A) 32.7	B) 41	C) 50.29	D) 40.41	E) 20.28

Rationale: "speed = 40 km / hr = 40 * ( 5 / 18 ) m / sec = 100 / 9 m / sec total distance = 327 + 122 = 449 meter time = distance / speed = 449 * ( 9 / 100 ) = 40.41 seconds . answer : d"
Answer: D