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Random Puzzles 


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Puzzle 1 


Place the digits from 1 to 9 in each closed area so that the sum of the digits in each large square is the same.

1 has already been placed.

Puzzle Copyright © Cihan Altay

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Puzzle 2 


all matchstick puzzles

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

19 + 6 = 21

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 3 


What comes next in this sequence:

31 · 41 · 51 · 61 · 71 · 81 · 92 · ?

Puzzle Copyright © Kevin Stone

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Puzzle 4 


Below, 10 nine-letter words have been broken into chunks of three letters.

The chunks have been moved around, no chunk is used twice, and all of the chunks are used.

Can you determine what the 10 words are?
ely rec ant htn fer ort
ent cer por sin lig ian
lio row use rar lib ive
tfo sca ing ing far eth
som dif est dig imp mho

Puzzle Copyright © Kevin Stone

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