What is wrong in the below Picture?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

What you cannot hold but it is yours?

What came first, the chicken or the egg?

What jumps when it walks and sits when it stands?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

How many words can a pen with half refill write?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

What am I?