Braingle Lite



8, 13, 8, 7, 8 ...

Category:Series
Submitted By:snaps
Fun:*** (2.25)
Difficulty:*** (3.07)



What number comes next in this series?
8, 13, 8, 7, 8, ___, ___

Answer:

7, 7
The series is the number of letters required to spell the regular shapes (triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, ...)

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