Brain Teasers
One from Nine
How do you take 1 away from 9 and get 10?
Answer
Use Roman NumeralsIX - I = X
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!