What has no start, end, or centre?

Find the missing number in the sequence below:

Can you write down eight eights so that they add up to one thousand?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

Which is heavier: a ton of bricks or a ton of feathers?

In which direction should the missing arrow point?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

What is the end of everything?

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

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?