A train covers a distance of 10km in 10 min. If it takes 6 sec to pass a telegraph post, then the length of the train is? Choose the correct answer.
A) m	B) m	C) m	D) m	E) m
Speed = (10/10 * 60) km/hr   = (60 * 5/18) m/sec = 50/3 m/sec.   Length of the train = 50/3 * 6= 
<gadget id="calculator">50/3 * 6</gadget>
<output>100</output>
100 m.   Answer:m
<result>C</result>
A train covers a distance of 10km in 10 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?