How much time does a train 150 metres long running at 90 km/hr take to pass a pole?	Choose the correct choice
A) 7.9s B) 6s C) 7.5s D) 7.6s E) 7.4s
Explanation:   90 km/hr = 90 * 5/18= 
<gadget id="calculator">90 * 5/18</gadget>
<output>25</output>
25 m/s   Speed= distance/time; v = d/t   25 = 150/t   t = 6s   ANSWER: 6s
<result>B</result>
How much time does a train 150 metres long running at 90 km/hr take to pass a pole?