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

I have teeth but i don't bite. Who Am I ?

The more it dries, the wetter it becomes. Can you tell what it is?

Can you name some countries which do not have the alphabet 'A' in them?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

What two things can you never eat for breakfast?

Which English verb becomes past tense just by rearranging the letters?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What runs around the whole yard without moving?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?