A train covers a distance of 12 km in 10 min. If it takes 8 sec to pass a telegraph post, then the length of the train is?
Choose the correct answer:
A) 178 m	B) 168 m	C) 120 m	D) 160 m	E) 178 m
Speed = (12/10 * 60) km/hr = (72 * 5/18) m/sec   = 20 m/sec.   Length of the train = 20 * 8= 
<gadget id="calculator">20 * 8</gadget>
<output>160</output>
160 m.   Answer: 160 m
<result>D</result>
A train covers a distance of 12 km in 10 min. If it takes 8 sec to pass a telegraph post, then the length of the train is?