A train covers a distance of 12 km in 16 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?  Choose the correct choice from the following:
A) 80
B) 90
C) 60
D) 75
E) 85
Speed = (12/16 * 60) km/hr = (45 * 5/18) m/sec = 12.5 m/sec.   Length of the train = 12.5 * 6= 
<gadget id="calculator">12.5 * 6</gadget>
<output>75</output>
75 m.Answer:75
<result>D</result>
A train covers a distance of 12 km in 16 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?