At the local racetrack, Alex was testing the latest car.
During the eight test laps, Alex managed to average the first two laps at 100mph, the next two laps at 102mph, the next two laps at 140mph, and the last two laps at 150mph.
What was the average speed for the entire 8 laps?
Puzzle Copyright © Kevin Stone
workings hide hint answer print
Share link: https://www.brainbashers.com/
Hint
Remember that Time = Distance ÷ Speed, and try setting the track length to be a random length.
All daily items change at midnight GMT – set your local time zone.
Previous Daily Puzzles
Note: BrainBashers has a Dark Mode option. For BrainBashers, I'd recommend not using your browser's built-in dark mode, or any dark mode extensions (sometimes you can add an exception for a specific website).