A train is running at a speed of 40 km/hr and it crosses a post in 18 seconds. What is the length of the train?
Choose the most appropriate option:
A) 140 m
B) 200 m
C) 400 m
D) 600 m
E) 120 m
Speed =40 km/hr=40Ã—5/18=100/9 m/s   Time = 18 seconds   Distance Covered = 100/9 Ã—18=200 m   length of the train = 200m   ANSWER:200 m
<result>B</result>
A train is running at a speed of 40 km/hr and it crosses a post in 18 seconds. What is the length of the train?