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Random Puzzles 


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Puzzle 1 


What is the 20th prime number?

2, 3, 5, 7, …

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Puzzle 2 


What number comes next in this sequence:

2  5  9  19  37  ?

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Puzzle 3 


Can you find every occurrence of the word APRIL that appears in this grid (horizontally, vertically, or diagonally)?

The hint will reveal the number of times it occurs, but where are they?



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

Puzzle Copyright © Kevin Stone

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Puzzle 4 


What is the smallest positive integer which …

… when multiplied by 3 gives a number consisting of only 4's?

Puzzle Copyright © Kevin Stone

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