Two trains start from stations 360 km apart and move towards each other at 50 km/h and 70 km/h. After how many hours will they meet?
Q1. Two trains start from stations 360 km apart and move towards each other at 50 km/h and 70 km/h. After how many hours will they meet?
Answer: 3 hours
Explanation: When trains move towards each other, their speeds add to 120 km/h. Meeting time is 360 divided by 120, which equals 3 hours.