Hardest Series Teasers
Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.
These brain teasers have been voted as the most difficult. Only teasers with at least 20 votes are shown. Good luck solving them!
|
Title |
Popularity |
Difficulty |
Submitted |
|
1 |
Heat |
|
|
08/20/04 |
by cnmne |
2 |
Guess the Pattern 2 |
|
|
11/29/05 |
by cnmne |
3 |
My Sons? |
|
|
04/20/07 |
by jazzmusician46 |
4 |
Dimension |
|
|
06/10/06 |
by 12345_lewis2 |
5 |
1, 3, 6, 55, 66... |
|
|
06/22/04 |
by fishmed |
6 |
3, 5, 7, 9, ... |
|
|
10/04/02 |
by snaps |
7 |
4, 12, 84, ... |
|
|
10/20/02 |
by bluelightnign |
8 |
At First Glance |
|
|
01/14/05 |
by cnmne |
9 |
What Letter is Missing? |
|
|
11/05/04 |
by howdyall1311 |
10 |
Divine NINES |
|
|
04/01/03 |
by griphook |
11 |
This Teaser is Not Impossible. |
|
|
05/15/05 |
by DummyisDumb |
12 |
A Long Long Time |
|
|
01/20/06 |
by dutchymonster |
13 |
Word Game |
|
|
09/19/02 |
by ossa |
14 |
Elementary Series |
|
|
08/21/04 |
by Poker |
15 |
1, 3, 7, 11, 17, 23, 31, 50, 60, 71, ... |
|
|
11/25/07 |
by shenqiang |
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