What seven-letter word has hundreds of letters in it?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

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?

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

How can you tell a raw egg from a hard-boiled egg?

What 5-letter word typed in all capital letters can be read the same upside down?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

It belongs to you, but other people use it more than you do. What is it?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?