Question: Train A is moving to the right at a speed of 60 km/h. Train B is moving to the left on a parallel track at a speed of 40 km/h. Both trains are 200 meters long. How much time will it take for the trains to completely cross each other?

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We have two trains approaching each other on parallel tracks. Train A is moving to the right at 60 kilometers per hour, while Train B is moving to the left at 40 kilometers per hour. Both trains are 200 meters long. We need to find how long it takes for them to completely cross each other.