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 |
|
16 |
What is the Next Number? |
|
|
02/09/12 |
by AndrewWalker |
17 |
A, B, C, D, E |
|
|
09/07/07 |
by slicktrumpet |
18 |
Complete Sequence |
|
|
02/22/24 |
by kevinddr21 |
19 |
Uno Dos Tres |
|
|
06/11/05 |
by rashad |
20 |
0-1-1-2-10-_____-100903245677250689568 |
|
|
12/27/08 |
by javaguru |
21 |
Attention: Calling All Problem Solvers! |
|
|
07/05/07 |
by dunchen22 |
22 |
t,o,f,o,f,n,t,s... |
|
|
04/03/02 |
by lil_thugsta |
23 |
Time Flies |
|
|
09/15/07 |
by King_of_Smart |
24 |
A Series of Unfortunate Integers |
|
|
08/09/05 |
by CoinMan |
25 |
0, 1, 1, 3, 1, 6, 1, 7, 4, 8, ?, ?, ? |
|
|
09/13/08 |
by shenqiang |
26 |
12, 6.928, ... |
|
|
11/08/02 |
by stonemug |
27 |
Counting Countries |
|
|
09/04/03 |
by griphook |
28 |
Gorilla |
|
|
03/28/04 |
by im_para_noid |
29 |
8, 13, 8, 7, 8 ... |
|
|
10/21/02 |
by snaps |
30 |
Two Part Challenge |
|
|
08/19/02 |
by Gizzer |
Follow Braingle!