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Mathematical Puzzles 


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Puzzle 173 


What number comes next in this sequence:

1  4  11  20  31  44  {?}

Puzzle Copyright © Kevin Stone

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Puzzle 174 


What number comes next in this sequence:

1  4  1  5  9  2  {?}

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Puzzle 175 


What number comes next in this sequence:

1  8  9  64  25  216  49  {?}

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Puzzle 176 


What number comes next in this sequence:

3  24  102  312  777  {?}

Puzzle Copyright © Kevin Stone

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