Two trains each 190m in length each, are running on two parallel lines in opposite directions. If one goes at the speed of 65km/h while the other travels at 50km/h. how long will it take for them to pass each other completely. Choose the correct choice from the following options:
A) 10.7 sec B) 2.7 sec C) 11.9 sec D) 12.7 sec E) 25.7 sec
Explanation:   D = 190 m + 190 m = 380 m   RS = 65 + 50= 
<gadget id="calculator">65 + 50</gadget>
<output>115</output>
115 * 5/18= 319/10   T = 380 * 10/319 = 11.9 sec   Answer: Option 11.9 sec
<result>C</result>
Two trains each 190m in length each, are running on two parallel lines in opposite directions. If one goes at the speed of 65km/h while the other travels at 50km/h. how long will it take for them to pass each other completely.