I grow up while growing down. What am I?

What gets larger the more you take away?

When do you go at red and stop at green?

What is black and white and red all over?

What is thrown to both kings and beggars?

What gets broken when its not being held?

What is broken but right two times a day?

If 1/2 of 5 is 3, then what is 1/3 of 10?

What has ten letters and starts with gas?

What grows in grass and shrinks in water?

What has four legs and a back but no body?

What is a calf after it is six months old?

How many times can you subtract 6 from 30?

What has one head, one foot and four legs?

I place today before yesterday. What am I?