A car covers a distance of 480 km in 8 hours. If its speed is increased by 20 km/h, how much time will it take to cover the same distance?
A5 hours
B6 hours
C6.5 hours
D7 hours
Explanation
Original speed = 480 / 8 = 60 km/h. New speed = 60 + 20 = 80 km/h. New time = 480 / 80 = 6 hours.
Exam Relevance
- Topic: Speed, Time & Distance
- Subtopic: Speed Variations
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