A cyclist rides 20 km in 120 minutes and rides another 25 km in 150 minutes. What is the average speed of the cyclist, in km/h?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 10.
Average speed = Total distance / Total time
Given that
Total distance = 20 + 25 = 45 km
Total time = 150 + 120 = 270 min = 4.5 hours
Hence, average speed =