A girl fell off a 40 feet ladder, but still did not get hurt. Why?

(a)  

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

(a)  

Which two keys cannot open any doors?

(a)  

If you take off my skin I won't cry, but you will. What am I?

(a)  

I speak without a mouth and hear without ears. I have no-body, but I come alive with the wind. What am I?

(a)  

I Have Cities, But no Houses. I Have Mountains, But no Trees. I Have Water, But no Fish. What Am I?

(a)  

What is seen in the middle of March and April that can’t be seen at the beginning or end of either month?

(a)  

You see a boat filled with people. You look again, but this time you don’t see a single person on the boat. Why?

(a)  

I Come from a Mine and Get Surrounded by Wood. What Am I?

(a)