Best Riddles and Answers

Question: There are several different kinds, but the one you pick doesn't do its job.

What is it?

Question: How can you make the following true by adding a single line: .9 = 1.

Note: ≠ is not the answer.

Question: what brings you down but never up

Question: Only one color, but not one size, Stuck at the bottom, yet easily flies, Present in sun, but not in rain, Doing no harm, and feeling no pain. What am I?

Question: When is a door not a door?