Question : The distance between two places A and B is 140 km. Two cars
Option 1: 60
Option 2: 100
Option 3: 80
Option 4: 90
Correct Answer: 80
Solution :
Let the speed of car
When the cars move in the same direction, they meet after 7 hours. This means that the faster car (car
When the cars move towards each other, they meet after 1 hour. This means that the cars together cover the distance of 140 km in 1 hour, at a combined speed of
Adding equations (1) and (2) gives us:
Hence, the correct answer is 80.
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