Short Riddles and Answers

Question: Sophie who is a housemaid, knows her boundaries well. She is good at equations. Her favorite vegetable is cauliflower. Which is her favorite plant?

Question: The person who buys me doesn't need me, the person who makes me doesn't want me, and the person who uses me can't appreciate me.

What am I?

Question: There were five men going to church and it started to rain. The four that ran got wet and the one that stood still stayed dry. Which one stayed dry?

Question: A truck driver is going opposite traffic on a one-way street. A police officer sees him but doesn't stop him.Why didn't the police officer stop him?

Question: I can be thin but not fat, In your body but never on your placemat.I'm always better when I'm fresh,but you'll never see me in the flesh.What am I?