Two patrol vehicles start from opposite ends of a 120 km route toward each other at 30 km/h and 50 km/h. After how long will they meet?
Q1. Two patrol vehicles start from opposite ends of a 120 km route toward each other at 30 km/h and 50 km/h. After how long will they meet?
Answer: 1 hour 30 minutes
Explanation: Their combined closing speed is 80 km/h. Meeting time is 120 divided by 80, which equals 1.5 hours or 1 hour 30 minutes.