Work it OutSeries teasers are where you try to complete the sequence of a series of letters, numbers or objects.
What three digit number come next in this series?
758, 642, 175, 864, 217, 586, ...?
The series is just the number 7586421 repeated and broken into segments of three.
See another brain teaser just like this one...
Or, just get a random brain teaser
If you become a registered user you can vote on this brain teaser, keep track of
which ones you have seen, and even make your own.
Back to Top