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Brain Teasers and Puzzles 



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Puzzle 697 



Can you find three consecutive prime numbers…

…that equal 409,457 when multiplied together?

Puzzle Copyright © Kevin Stone

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Puzzle 698 



Here is a well known proverb with the consonants removed. What is the proverb.
A -i-- i- --e -a-- i- -o--- --o i- --e -u--.

Puzzle Copyright © Kevin Stone

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Puzzle 699 



Using a 3 gallon container and a 7 gallon container (along with a water source and drain)…

…can you measure exactly 5 gallons in the fewest steps?

Puzzle Copyright © Kevin Stone

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Puzzle 700 



What number comes next in this sequence:

7  8  5  5  3  4  4  {?}

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