Answer:
I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. If you remove the third, it still remains.
Why was the math teacher late to work?
How do trees get onto the internet?
What becomes easier to pick up the more it weighs?
Why are there no unemployed farmers?
What has wheels and flies but is not an aircraft?
Funny
Animal
Difficult
Easy
Food
Kids
Logic
What am I?