How many seconds will a train 100 meters long take to cross a bridge 150 meters long if the speed of the train is 18 kmph?
Choose the most appropriate option.
A) 80 sec
B) 20 sec
C) 40 sec
D) 50 sec
E) 60 sec
50 sec = 100 + 150= 
<gadget id="calculator">100 + 150</gadget>
<output>250</output>
250   S= 18 * 5/18= 
<gadget id="calculator">18 * 5/18</gadget>
<output>5</output>
5 mps   T= 250/5= 
<gadget id="calculator">250/5</gadget>
<output>50</output>
50 sec   50 sec) 50 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 18 kmph?