Two trains are traveling in opposite directions. Train A is moving at a speed of 63 kilometers per hour and can cross a platform that is 199.5 meters ...
Question
Two trains are traveling in opposite directions. Train A is moving at a speed of 63 kilometers per hour and can cross a platform that is 199.5 meters long in 21 seconds. If Train B is 157 meters long and traveling at 54 kilometers per hour in the opposite direction, how many seconds would it take for Train A to completely cross Train B from the moment they meet?