Answer:
Twelve pears hanging high, twelve men passing by. Each took a pear and left eleven hanging there. How can this be?
What goes up and never comes down?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
I moved in town but after every minute I would ask different people the same question but I got different answers... What was the question?
No is to negative as yes is to...?
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.