A train covers a distance of 14 km in 10 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?  Select the correct option.
A) m  B) m  C) m  D) m  E) m
Speed = (14/10 * 60) km/hr   = (84 * 5/18) m/sec = 70/3 m/sec.   Length of the train = 70/3 * 6= 
<gadget id="calculator">70/3 * 6</gadget>
<output>140</output>
140 m.   Answer:m
<result>C</result>
A train covers a distance of 14 km in 10 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?