Sequence Puzzle: May 2013


Number Sequence Puzzle Graphic

Explain why the sequence on top (Pink with Red Numbers) could be logically followed by A, B, or C. For instance, a sequence of “1,2,1,2,3” could be continued as the expanding sequence of (1,2) (1,2,3) (1,2,3,4) (1,2,3,4,5) … or as the paired sequence (1,2) (1,2) (3,4) (3,4) (5,6) (5,6).

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