A train is 360 meter long is running at a speed of 30 km/hour. In what time will it pass a bridge of 140 meter length?
Answers
A) 87	B) 69	C) 60	D) 72	E) 21

Rationale: "speed = 30 km / hr = 30 * ( 5 / 18 ) m / sec = 25 / 3 m / sec total distance = 360 + 140 = 500 meter time = distance / speed = 500 * ( 3 / 25 ) = 60 seconds answer : c"
Answer: C