Number Series Puzzles
Find the pattern in numerical sequences and determine what comes next. 35 puzzles preserved from Bill's original 1998 archive.
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- #1 18, 14, 12, 11, ?, 10.25
- #2 11, 12, 26, 79, 81, 163, 491, 492, ?
- #3 4, 1.33, 4.17, 1.39, 4.36, 1.45, ?
- #4 7, 0, 5, 8, 8, 2, 3, ?
- #5 3 3 5 4 4 3 5 ?
- #6 6 9 6 6 7 ?
- #7 1 2 13 0 3 03 ?
- #8 A F AM P M UJ ?
- #9 7 5 3 4 9 ?
- #10 n t d s a e . f a e i a u i e ?
- #11 w a j m m a ?
- #12 2 3 5 7 13 17
- #13 15 11 9 5 3 1 ?
- #14 h l b n f n a p ?
- #15 28 25 21 16 ?
- #16 84 43 1 ?
- #17 5 6 7 8 8 8 8 8 ?
- #18 14 82 56 130 62 52 ?
- #19 ABC 6 FGH 336 CCFCCGCCH ?
- #20 1584 5842 5834 5484 5584 5846 ?
- #21 I suppose I should start by saying hello. 23 5 12 3 15 13 ?
- #22 Something you can see on a calculator by pressing 5 buttons: 3 5 2 9 4 1 1 ?
- #23 Timing is everything. 100 365 24 60 ?
- #24 My primary objective is cumulative multiplication. I know, it's an odd objective. 3 10 21 44 65 102 ?
- #25 Timing, as I mentioned, is everything, & this is true every day of the week. 6 6 7 9 8 6 ?
- #26 Sometimes numbers are no more than they appear to be. 3 3 5 4 4 3 5 5 4 ?
- #27 Have I mentioned how important timing is? 7 8 5 5 3 4 4 6 9 7 8 ?
- #28 Sometimes numbers involve circular logic. Or is it backward logic, or even both? 5 6 2 9 5 1 4 ?
- #29 At this point, I'm afraid you will accuse me of being fractious. 5 6 7 8 8 8 8 8 ?
- #30 Alright, I admit it. I am being fractious! 2 15 13 12 12 11 11 ?
- #31 Looking back on it, this series makes perfect sense. 8 65 293 4472 80291 ?
- #32 If you have double vision, sometimes things appear unbalanced. 31 53 97 275 451 ?
- #33 Occasionally things are presented to us in an unusual, yet completely logical order. 2 5 12 23 30 17 8 ?
- #34 If you have a sixth sense, it may help you to solve this last puzzle: 6 396 2376 1425.6 8.5536 ?
- #35 Decide what number comes next in this stately series: 4, 0, 3, 1, 0, 1, ?
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