Answer:
Its days are numbered.
How many bricks does it take to complete a building made of brick?
They are two brothers. However much they run, they do not reach each other.
What goes up but never comes down?
They can be long or short; they can be grown or bought; they can be painted or left bare; they can be round or square.
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?