## 1, 0, 3, 11, 15Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.
1, 0, 3, 11, 15... What are the next two numbers in this series?
## Answer13, 17. The series begins with the first number to have the least amount of letters in its name, starting with zero. (Ex. `1` has 3 letters in `one`, `0` has 4 letters in `zero`, `3` has 5 letters in `three`, `11` is the first number to have 6 letters in its name, 15 is the first to have 7 letters in its name...and so on). The series continues up to number 9. `13` is the first to have 8 letters and `17` is the first to have 9 letters.Hide ## What Next?
Tweet
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 |