What two numbers multiplied together will give you seven?
 

They are 7 and 1.  Few people ever seem to think of these two numbers. 

What has teeth but can't eat?
Come up and let us go; Go down and here we stay.
My first letter is in wood but isn't in trip, My second is i
What person does every man take his hat off to?
What walks around all day and lies under the bed at night wi