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Random Puzzles 


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Puzzle 1 


I have three daughters and each has one brother.

How many children do I have?

Puzzle Copyright © Kevin Stone

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Puzzle 2 


Which is larger:

millimetres in a mile sixteenths of an inch in 2 kilometres

Puzzle Copyright © Kevin Stone

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Puzzle 3 


all matchstick puzzles

Can you make this equation correct by moving exactly one matchstick?

4 + 5 = 6

Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:

Default Digits

Puzzle Copyright © Kevin Stone

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Puzzle 4 


Place letters into the grid such that every row, column, and 2 x 2 block has letters (in any order) that form a common word. Each letter is only used once, and no letter is repeated in the rows / cols / blocks.

Letters allowed: S C H O O L

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

Puzzle Copyright © Alan Stillson and Frank Longo

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