A train 490 m long, running with a speed of 63 km/hr will pass a tree in?  Choices:	A) 15 sec	B) 16 sec	C) 28 sec	D) 20 sec	E) 25 sec
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: 28 sec
<result>C</result>
A train 490 m long, running with a speed of 63 km/hr will pass a tree in?