A man is twenty years old but has only had five birthdays. How is that possible?

What is the building that you leave without ever having entered.

What can you stick between a 3 and a 4 so that the result is more than three but less than four?

Why can't Kevin, who is now living in Canada, not be buried in the USA?

What is the largest $ amount of change you can have in your pocket without having exact change for $1?