Good Riddles

Question: An ant gets onto one end of a tight rope that is 1 meter long. The ant is traveling at 1 centimeter per second, but the entire rope is being stretched an extra 1 meter (1,000 centimeters) a second (it can be stretched forever).

Will the ant ever reach the other end of the rope?

Question: What time is it when an elephant sits on your fence?

Question: If you aim to give us a shot, we'll riddle you.

What are we?

Question: What does a man do only once in his lifetime, but women do once a year after they are 29?

Question: Round like a apple, deep like a cup, but all the kings horses can't pull it up.

What is it?