Set the track length to be a random number, e.g. 5 miles.
Therefore the first two laps took 10 miles ÷ 100 mph = 10 ÷ 100 hours. Similarly, the second two laps took 10 ÷ 102 hours, etc. The total time taken for 40 miles is therefore, 10/100 + 10/102 + 10/140 + 10/150 hours.
Therefore the average speed for the entire 8 laps is 40 ÷ (10÷100 + 10÷102 + 10÷140 + 10÷150) = 119 mph.
Hint: The word EASY can be found in the first collection of words.
Using the first letter of the first word, the second letter of the second word, etc.
Last week I was driving the local school bus and 12 kids got on.
At the next stop, 5 got off and 7 got on.
At the next stop, 10 got on and 1 got off.
At the last stop 23 kids got off.
What was the name of the bus driver?
Direct Link: www.brainbashers.com?ZCCY
Hint: Who was driving?
Since I was driving the bus and my name is Kevin the answer must be Kevin.