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 |
|
376 |
Just a Slice |
|
|
09/10/08 |
by MarcM1098 |
377 |
4, 8, 32, 512... |
|
|
07/04/06 |
by glenn222 |
378 |
One, Two, One |
|
|
06/08/05 |
by tissue |
379 |
77 49 36 18 ? |
|
|
08/13/01 |
by kqbones13 |
380 |
11, 17, 21 |
|
|
09/05/02 |
by kiwioz9 |
381 |
U, D, T, C, C, S, S |
|
|
09/12/02 |
by tissue |
382 |
B, E, H, K, N, Q, U... |
|
|
04/29/06 |
by Desired |
383 |
1, 5, 17, 53... |
|
|
01/28/01 |
by trojan5x |
384 |
A Full Year |
|
|
08/25/07 |
by King_of_Smart |
385 |
5, 8, 12, 18, ?, ? |
|
|
09/25/10 |
by racoonieboy |
386 |
0, 4, 1, 6, 3, 6, 6, 4... |
|
|
03/19/02 |
by Cascas |
387 |
Read For it |
|
|
05/11/05 |
by infernogirl |
388 |
The Riddle of the Years |
|
|
03/31/14 |
by ElectronJohn |
389 |
Missing Number 2 |
|
|
01/09/09 |
by westbrook |
390 |
Let's Play Sports |
|
|
03/04/07 |
by drussel3 |
Follow Braingle!