A train is 360 meter long is running at a speed of 90 km/hour. In what time will it pass a bridge of 140 meter length?	Choose the correct choice from the following:	A) 27 seconds	B) 29 seconds	C) 40 seconds	D) 11 seconds	E) 20 seconds

Rationale: "speed = 90 km / hr = 90 * ( 5 / 18 ) m / sec = 25 m / sec total distance = 360 + 140 = 500 meter time = distance / speed = 500 * ( 1 / 25 ) = 20 seconds answer : e"
Answer: E