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Random Puzzles 


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Puzzle 1 


What is the missing number in this sequence:

4 · 9 · 28 · 125 · ? · 5047 · 40328

Puzzle Copyright © Kevin Stone

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Puzzle 2 


What four related words are merged here:
swas puri uinm nttu mger mner

Puzzle Copyright © Kevin Stone

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Puzzle 3 


Hidden in the grid below are eight, 7-letter words. Each word begins with the central P and you can move one letter in any direction to the next letter. All of the letters are used exactly once each. What are the words?

Note: this puzzle is not interactive, and the letters cannot be clicked.

Puzzle Copyright © Kevin Stone

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Puzzle 4 


How many grains of sand do you need …

… until you have a heap of sand?

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