Two cars 120 km apart approach at 60 and 40 km/h. Meet in?
Q1. Two cars 120 km apart approach at 60 and 40 km/h. Meet in?
Answer: 1.2 h
Explanation: Combined speed 100 km/h closes 120 km in 1.2 hours. Work each step carefully; ISSB math rewards accuracy under time pressure.