Brain Teasers
Black When Clean
What Next?
View a Similar Brain Teaser...
If you become a registered user you can vote on this riddle, keep track of which ones you have seen, and even make your own.
Solve a Puzzle
Comments
chalkboards are GREEN!!!
Some can be black. It is sometimes called a blackboard.
i wouldnt really consider a chalkboard thats written on to be dirty, but i still thought it was a good teaser!
vg i like it
What about if you use color chalk?
To post a comment, please create an account and sign in.
Follow Braingle!