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 correct choice from the following answers: A) 190 m B) 150 m C) 200 m D) 140 m E) 250 m
speed = 40 km/hr = 40 * 5/18 = 100/9 m/s   time = 18 sec   distance covered = 100/9 * 18= 
<gadget id="calculator">100/9 * 18</gadget>
<output>200</output>
200 m   so length of the train is= 200 m   ANSWER 200 m
<result>C</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?