Good Riddles

Question: When you are born, all you have is me. And even though you're powerless, you are filled with glee. What am I?

Question: How do you make seven even?

Question: What is the only question you can never answer?

Question: 5 men go skydiving but when they jump out of the plane, only 4 men have a parachute. How do they all survive?

Question: What is AD before BC, exams before tests and last year is after last month?