Brain Teasers

What do you throw out when you want to use it, but take in when you don't want to use it?

What is so fragile that sounds can destroy?

What's always coming but yet never arrives?

Larry's father has five sons named ten, twenty, thirty and forty was is the fifth sons name

What do you have to give before you can keep?

When I was born I was big but the older I get the smaller I am. What am I?

What goes up but never comes down?

What travels around the world but always stays in a corner

Some months have 31 days, some have 30 days. how many months have 28 days?

What can you break without touching it?

The more you take, the more you leave behind. What are they? 

What grows down while it grows up?

There was an airplane crash, every single person died yet two survived. How is this possible?