The 22nd 24th presidents of the United States of America had the same parents but were not brothers. How is this possible?

What room do ghosts avoid?

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?

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

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

You walk into a room that contains a match, kerosene lamp, a candle, and a fireplace. What would you light first?

How far can you walk into the woods?

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

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Spelled forewards I am what you do every day, spelled backward I am something you hate.

When is a door not a door?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?