What word begins and ends with an E, but has only one letter?

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

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

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

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

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?