How many seconds will a train 100 meters long take to cross a bridge 130 meters long if the speed of the train is 36 kmph?  Choose the most appropriate option
A) 23 sec B) 65 sec C) 25 sec D) 45 sec E) 24 sec
D = 100 + 130= 
<gadget id="calculator">100 + 130</gadget>
<output>230</output>
230   S= 36 * 5/18= 
<gadget id="calculator">36 * 5/18</gadget>
<output>10</output>
10 mps   T= 230/10= 
<gadget id="calculator">230/10</gadget>
<output>23</output>
23 sec   23 secnswer:23 sec
<result>A</result>
How many seconds will a train 100 meters long take to cross a bridge 130 meters long if the speed of the train is 36 kmph?