A train is running at a speed of 40 km/hr and it crosses a post in 22.5 seconds. What is the length of the train?	Choose the correct choice from the following answers:
A) 190 metres
B) 160 metres
C) 200 metres
D) 120 metres
E) 250 metres
Speed of the train, v = 40 km/hr = 40000/3600 m/s = 400/36 m/s   Time taken to cross, t = 22.5 s   Distance Covered, d = vt = (400/36)Ã— 22.5 = 250 m   Distance covered is equal to the length of the train = 250 m   Correct answer is 250 metres   250 metres
<result>E</result>
A train is running at a speed of 40 km/hr and it crosses a post in 22.5 seconds. What is the length of the train?