Answer:
The more you add the less it weighs. What is it?
Whoever made me doesn't want me. Whoever bought me doesn't need me. Whoever uses me doesn't know me. What am I?
My first half means container. Not a lot of people understand my language. What am I?
People make me, save me, change me, and raise me. What am I?
What is cut on a table but is never eaten?
If I say "everything I tell you is a lie", am I telling you the truth or a lie?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic