Good Riddles

Question: If you have three apples and four oranges in one hand and four apples and three oranges in the other hand, what do you have?

Question: You have lost your mother at the carnival. You search for her and eventually you see her.

What's the first thing you do when you see her?

Question: A person was born in 1940. Today is his 18th birthday.

How is that possible?

Question: What runs around the house but doesn't move?

Question: I fasten to walk,
and unfasten to stop.

What am I?