How many seconds will a train 150 meters long take to cross a bridge 200 meters long if the speed of the train is 54 kmph?
Choose the correct answer
A) 17 sec  B) 21 sec  C) 23.3 sec  D) 27.5 sec  E) 29 sec
D = 150 + 200= 
<gadget id="calculator">150 + 200</gadget>
<output>350</output>
350   S= 54 * 5/18= 
<gadget id="calculator">54 * 5/18</gadget>
<output>15</output>
15 mps   T= 350/15 = 23.3 sec   23.3 sec) 23.3 sec
<result>C</result>
How many seconds will a train 150 meters long take to cross a bridge 200 meters long if the speed of the train is 54 kmph?