A train 350 m long, running with a speed of 63 km/hr will pass a tree in? Options:  A) 15  B) 16  C) 17  D) 18  E) 20
Speed = 63 * 5/18 = 35/2 m/sec   Time taken = 350 * 2/35= 
<gadget id="calculator">350 * 2/35</gadget>
<output>20</output>
20 sec   Answer: Option 20
<result>E</result>
A train 350 m long, running with a speed of 63 km/hr will pass a tree in?