Number Series Puzzles · Billy-B
Number Series #3
From Billy-B's legendary 1001 Puzzle Collection — preserved on Puzz.com since 1998.
Puzzle #3
4, 1.33, 4.17, 1.39, 4.36, 1.45, ?
Reveal Answer
The sequence goes divide by 3, then multiply by pi, divide by 3, multiply by pi, etc — But only the first 2 numbers following the decimal are written down, & used for the next step in the sequence.
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