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Medium Puzzles 


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Puzzle 293 


What number completes this sequence:

4  15  14  11  5  ?

Puzzle Copyright © Kevin Stone

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Puzzle 294 


What comes next in this sequence:

boron  carbon  nitrogen  oxygen  ?

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Puzzle 295 


Can you find three consecutive prime numbers …

… which total 190,747 when multiplied together?

Puzzle Copyright © Kevin Stone

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Puzzle 296 


Which pair of letters comes next in this sequence:

on  et  wo  th  re  ef  ou  ?

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