A train 280 m long, running with a speed of 63 km/hr will pass a tree in?
Choose the correct choice
A) 76 sec B) 16 sec C) 15 sec D) 17 sec E) 19 sec
Speed = 63 * 5/18   = 35/2 m/sec   Time taken   = 280 * 2/35= 
<gadget id="calculator">280 * 2/35</gadget>
<output>16</output>
16 sec   Answer: 16 sec
<result>B</result>
A train 280 m long, running with a speed of 63 km/hr will pass a tree in?