A train covers a distance of 12 km in 10 min. If it takes 10 sec to pass a telegraph post, then the length of the train is?  Pick:  A) 298 m  B) 188 m  C) 120 m  D) 178 m  E) 200 m
Speed = (12/10 * 60) km/hr = (72 * 5/18) m/sec   = 20 m/sec.   Length of the train = 20 * 10= 
<gadget id="calculator">20 * 10</gadget>
<output>200</output>
200 m.   Answer:200 m
<result>E</result>
A train covers a distance of 12 km in 10 min. If it takes 10 sec to pass a telegraph post, then the length of the train is?