I am a nut with a hole. What am I?

What building has the most stories?

I run, but have no legs. What am I?

I shoot but never kills. What am I?

What gets whiter the dirtier it gets?

What holds water yet is full of holes?

What has a mouth but can’t chew?

I can write cow in 13 letters. Can you?

When do you go at red and stop at green?

What is broken but right two times a day?

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

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?

I place today before yesterday. What am I?