Answer:
A man is able to contact his long lost brother who has never met. They agree to meet. When the brother arrives he is able to instantly pick him out from the crowd. How is that possible?
A town has only two barbers. One of the barbers has a nice, tidy haircut, and the other has a shaggy, messy haircut. Which barber should you go to?
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
How do you blink twice without blinking twice?
What can you stick between a 3 and a 4 so that the result is more than three but less than four?
It is something you will never see again.