How many seconds will a train 120 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph? Choose the correct answer.
A) 27 sec B) 23 sec C) 24 sec D) 25 sec E) 26 sec
D = 120 + 150= 
<gadget id="calculator">120 + 150</gadget>
<output>270</output>
270   S= 36 * 5/18= 
<gadget id="calculator">36 * 5/18</gadget>
<output>10</output>
10 mps   T= 270/10= 
<gadget id="calculator">270/10</gadget>
<output>27</output>
27 sec   27 sec
<result>A</result>
How many seconds will a train 120 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph?