A train is 360 meter long is running at a speed of 54 km/hour. In what time will it pass a bridge of 140 meter length?
Choose the most appropriate option
A) 65 seconds  B) 33.33 seconds  C) 40 seconds  D) 97 seconds  E) 26 seconds

Rationale: "speed = 54 km / hr = 54 * ( 5 / 18 ) m / sec = 15 m / sec total distance = 360 + 140 = 500 meter time = distance / speed = 500 * ( 1 / 15 ) = 33.33 seconds answer : b"
Answer: B