How many seconds will a train 100 meters long take to cross a bridge 180 meters long if the speed of the train is 36 kmph?	Choose the correct answer
A) 22 sec  B) 27 sec  C) 25 sec  D) 24 sec  E) 28 sec
28 secxplanation:   D = 100 + 180= 
<gadget id="calculator">100 + 180</gadget>
<output>280</output>
280   S= 36 * 5/18= 
<gadget id="calculator">36 * 5/18</gadget>
<output>10</output>
10 mps   T= 280/10= 
<gadget id="calculator">280/10</gadget>
<output>28</output>
28 sec   Answer: Option 28 sec
<result>E</result>
How many seconds will a train 100 meters long take to cross a bridge 180 meters long if the speed of the train is 36 kmph?