Which number should replace the question mark?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

What does this simple rebus mean?

What is both possible and impossible at the same time?

A police officer was passing by when he saw a guy hiding. He walked up to him and genially asked, "What is your name?"

"Shut up!" the boy responded.

"Where are your manners?" asked the outraged police officer.

"Up that tree," said the boy discourteously, directing to a neighbouring tree.

You're looking for trouble, aren't you?" said the police officer.

"No, trouble is looking for me!" the boy answered solemnly.

Why is the boy behaving like this?

What do you see in the image below

What begins with T, ends with T, and has T in it?

Can you start the fire using two pieces of wood?

What do you get if you add 2 to 100 four times?

What 5-letter word typed in all capital letters can be read the same upside down?