Mental Floss.

1. The more you take away the bigger it gets; the more you add, the smaller it becomes. What is it?
2. What famous fictional character is represented here?   ants, beetles, termites, rabbit
3. A man walks into a room, turns around and walks out the same door he went in. When he gets out he is in a different room than when he started. How is this possible?
4. Which number should come next? 144, 121, 100, 81, 64,  _____  (Alert: math.)
5. How can you spell "hard water" using only three letters?
6. Spell the word candy with just 2 letters.
7. How many F's (capital or small--no trick here) are in the following sentence? Finished files are the result of years of scientific study combined with the experience of years.   (Alert: Counting.)