How many times can you subtract the number two from the number fifty?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I am white when I am dirty, and black when I am clean. What am I?

John was piloting a plane behind a car but was never able to overtake it. Why?

If a wheel has 54 spokes, how many spaces are there between the spokes?

What has one letter and starts with an E?

What have one eye but still cannot see?

I am the fastest animal but cannot climb the tree. What am I?

What demands an answer, but asks no questions

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.