Riddle: I grow in the dark and shine in the light; The paler I am, the more I am liked; My maker never gets paid, but never goes on strike. What am I?
Answer: A pearl.
Riddle: A single word which is versatile, it can be a letter, unknown to the problem, a variable, a target, a love, an intercept, and a type of chromosome. What am I?
Answer: X.
Riddle: I went to city OZ on the way I saw four women, with four bags, who had four kittens. Each woman had two children with her. How many people went to the city OZ? (count correctly)
Answer: One because I went to city OZ on the way I saw...
Riddle: What can you catch but not throw?
Answer: A cold!
Riddle: What goes up and down a hill but never moves?
Answer: A path.
Riddle: What is invisible and makes people suffer from symptoms like sweating and nausea, yet people can't survive without it?
Answer: Love.
Riddle: I can only live were there is light, But I die if the light shines on me. What am I?
Answer: A shadow.
Riddle: What comes once in a minute, twice in a moment, but never in a thousand years?
Answer: The letter M.
Riddle: What flies when it's born, lies when it's alive, And runs when it's dead?
Answer: A snowflake.
Riddle: Every night, I'm told what to do. And every morning, I do what you tell me to do. But you still get mad at me and hit me. What am I?
Answer: An alarm clock.