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 |
|
511 |
2, 3, 6, 7, 14, 15... |
|
|
04/17/06 |
by Desired |
512 |
Boron Carbon Nitrogen Oxygen |
|
|
02/06/06 |
by Draw |
513 |
Timely |
|
|
07/16/05 |
by trickster2005 |
514 |
Phrase Series |
|
|
09/06/17 |
by MarcM1098 |
515 |
V?XYZ |
|
|
02/14/01 |
by Mr. G |
516 |
1, 2, 5, 10, 20,_ |
|
|
12/09/01 |
by Higgo |
517 |
1, 4, 27, ... |
|
|
11/15/02 |
by lesternoronha1 |
518 |
Time for Animals |
|
|
01/28/03 |
by electronjohn |
519 |
Too Many Ones |
|
|
06/08/20 |
by JimmyRen1 |
520 |
5, 4, 10, 8, 15, 16, 20, 32, ?, ? |
|
|
04/16/06 |
by ____ |
521 |
ME, VE, EA, MA ... |
|
|
02/08/02 |
by RayneeDay |
522 |
0.5, 2, 4.5, 8, 12.5, ... |
|
|
06/13/05 |
by dutchymonster |
523 |
8, 6, 2, 4, 8, _, _ |
|
|
01/10/03 |
by skoolkid |
524 |
I V X |
|
|
05/08/06 |
by Chakoteya |
525 |
1, 5, 12, 22, 35, 51, 70, ? |
|
|
09/20/08 |
by shenqiang |
Follow Braingle!