Answer:
What was the longest river in the world before the Amazon River was discovered?
If you have 30 white socks, 22 black socks, and 14 blue socks scattered across the floor in the dark, how many would you have to grab to get a matching pair?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
How is it possible to always find what your looking for in the last place you look?
Twelve pears hanging high, twelve men passing by. Each took a pear and left eleven hanging there. How can this be?
When is it bad luck to see a black cat?