A train 490 m long, running with a speed of 63 km/hr will pass a tree in?	Choose the correct answer.
A) 25  B) 26  C) 27  D) 28  E) 29
Speed = 63 * 5/18 = 35/2 m/sec   Time taken = 490 * 2/35= 
<gadget id="calculator">490 * 2/35</gadget>
<output>28</output>
28 sec   Answer: Option 28
<result>D</result>
A train 490 m long, running with a speed of 63 km/hr will pass a tree in?