A train covers a distance of 12 km in 10 min. If it takes 16 sec to pass a telegraph post, then the length of the train is?
Choose the most appropriate option:
A) 320 m	B) 188 m	C) 120 m	D) 178 m	E) 189 m
Speed = (12/10 * 60) km/hr = (72 * 5/18) m/sec   = 20 m/sec.   Length of the train = 20 * 16= 
<gadget id="calculator">20 * 16</gadget>
<output>320</output>
320 m.   320 mnswer:320 m
<result>A</result>
A train covers a distance of 12 km in 10 min. If it takes 16 sec to pass a telegraph post, then the length of the train is?