A train 440 meters long is running with a speed of 55 kmph. The time taken by it to cross a tunnel 180 meters long is?  Pick one: A) 40.58 sec B) 41.33 sec C) 42.33 sec D) 40 sec E) 44.33 sec
D = 440 + 180= 
<gadget id="calculator">440 + 180</gadget>
<output>620</output>
620   S= 55 * 5/18 = 15.27778 mps   T = 620/15.27778 =40.58182 sec   40.58 secNSWER:40.58 sec
<result>A</result>
A train 440 meters long is running with a speed of 55 kmph. The time taken by it to cross a tunnel 180 meters long is?