Good Riddles

Question: There is a couple that is always together. They go anywhere they want to go. They can't be separated. No one can touch them. They are the size of a ping pong ball. What is it?

Question: The shortest distance between two points is a straight line. A man walks a straight line 50 feet, in 50 seconds. It took him twice as long to walk the same line back. Why?

Question: You are in a brick cube. Now way in and no way out. There is only a table and a mirror. How do you get out?

Question: I am dark and can never be light, but I can be lit. What am i?

Question: Why are owls like a quiz?