Answer:
A man is twenty years old but has only had five birthdays. How is that possible?
What was the longest river in the world before the Amazon River was discovered?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
If you are running in a race and pass the second place person, what place are you in?
Which bank is not used for storing money?
What never gets any wetter no matter how hard it rains?