Brain Teasers
4, 12, 84, ...
Series
Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.Series
What is the next number in this series?
4, 12, 84, 3612....
4, 12, 84, 3612....
Hint
Use squared equations.Answer
6526884. To get from 4 to 12, you use the following formula. 12 = (4 squared)/2 + 4.Continue on with (X^2)/2 + X.
Hide Hint Show Hint Hide Answer Show Answer
What Next?
View a Similar 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.
Follow Braingle!