What can you hold in your right hand but never your left hand?

Sara has four daughters, and each daughter has a brother. How many children does Sara have?

How far can you walk into the woods?

What can go up a chimney down, but can't go down a chimney up?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

When is a door not a door?

If your uncle's sister is not your aunt, who is she?

What kind of band does not play music?

A doctor and a bus driver are both in love with the same woman, an attractive girl named Sarah. The bus driver had to go on a long bus trip that would last a week. Before he left, he gave Sarah seven apples. Why?

Until I am measured, I am not known. Yet how you miss me, when I have flown. What am I?

No matter how much you use me, you change me every month.

What is more useful when it is broken?