Brain Teasers and Puzzles 

Kevin is 5 years old, James is also 5, and Rebecca is 7.

How old is Jacqueline?

Puzzle Copyright © Kevin Stone

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What number comes next in this sequence:

1  2  6  24  120  ?

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What number comes next in this sequence:

1  4  11  20  31  44  ?

Puzzle Copyright © Kevin Stone

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What number comes next in this sequence:

1  3  6  11  18  ?

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