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) 177 m
B) 189 m
C) 160 m
D) 178 m
E) 188 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>C</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?