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Random Puzzles 


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Puzzle 1 


Exactly how many minutes is it before seven o'clock, if 40 minutes ago it was three times as many minutes past two o'clock?

Image showing two clocks.

Puzzle Copyright © Kevin Stone

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Puzzle 2 


What number comes next in this sequence:

3 · 24 · 102 · 312 · 777 · ?

Puzzle Copyright © Kevin Stone

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Puzzle 3 


What number comes next in this sequence:
986888
724864
143224
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Puzzle Copyright © Kevin Stone

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Puzzle 4 


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

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