Which number should replace the question mark?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

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?

I add 5 to 9 and get 2. The answer is correct, so what am I?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

There is something which you can be arrested for attempting but not for successfully completing.

What has a bottom at the top?

A father's child, a mother's child, yet no one's son.

Who am I?