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 |
|
76 |
11, 19, 27, 33, 37, 45... |
|
|
01/10/07 |
by jsdodgers |
77 |
Follow That |
|
|
04/03/05 |
by stormtrooper |
78 |
Very Confusing Numbers |
|
|
06/04/06 |
by coolblue |
79 |
1,12,51,224,... |
|
|
07/14/03 |
by MurfQ |
80 |
RAM Series |
|
|
12/08/04 |
by AXTON |
81 |
Moral Friend |
|
|
11/19/02 |
by snaps |
82 |
Triangle Numbers |
|
|
08/23/03 |
by Smithy |
83 |
1, 2, 2, 3, 2, 4, 2, 4, 3, 4, _, _, _ |
|
|
09/13/08 |
by shenqiang |
84 |
FTFT Puzzle |
|
|
04/16/04 |
by kathyhoang |
85 |
I, ...... |
|
|
01/24/07 |
by dutchymonster |
86 |
Neeeeeeeeeext! |
|
|
12/01/06 |
by grungy49 |
87 |
7, 10, 11, 13.... |
|
|
05/31/05 |
by onlyeeyore |
88 |
4.5, 4.5, 12.5, What? |
|
|
01/21/06 |
by thepianistalex |
89 |
Just a Fraction of the Time |
|
|
09/13/03 |
by mathemagician |
90 |
Forever |
|
|
12/25/06 |
by eyenowhour |
Follow Braingle!