How many seconds will a train 100 meters long take to cross a bridge 150 meters long if the speed of the train is 63 kmph?	Choose the most appropriate option:	A) 22 sec	B) 77 sec	C) 25 sec	D) 14.3 sec	E) 17 sec
14.3 sec = 100 + 150= 
<gadget id="calculator">100 + 150</gadget>
<output>250</output>
250   S= 63 * 5/18= 
<gadget id="calculator">63 * 5/18</gadget>
<output>35/2 = around 17.5</output>
17.5 mps   T= 250/17.5 = 14.3 sec   Answer:14.3 sec
<result>D</result>
How many seconds will a train 100 meters long take to cross a bridge 150 meters long if the speed of the train is 63 kmph?