Brain Teasers
Sequencing the Stone...
A group of stones are all lined up. Upon closer inspection, you realize there are numbers on the stones, as follows:
1 - 2 - 3 - 5 - 9 - 12
The last stone has had its number worn off by wind and time, what should the number on the stone read?
1 - 2 - 3 - 5 - 9 - 12
The last stone has had its number worn off by wind and time, what should the number on the stone read?
Hint
This is a logical sequence, not necessarily a mathematical one.Answer
21one - two - three - five - nine - twelve - twenty-one
The words for the numbers end in vowels.
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.
Solve a Puzzle
Comments hidden to avoid spoilers.
Follow Braingle!