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1, 4, 2, 8, 5, ?

Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.

 

Puzzle ID:#43012
Fun:** (1.76)
Difficulty:*** (2.8)
Category:Series
Submitted By:shenqiangAcn****!!
Corrected By:fishmed

 

 

 



What is the last number in this series?

1, 4, 2, 8, 5, ?


Answer

7.

They form a period of the decimal fraction 1/7, and the number 142857 has many interesting properties.

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