Answer:
How do you blink twice without blinking twice?
What can you hold in your right hand but never in your left hand?
What is yours but only used by others?
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
In 1990, a person is 15 years old. In 1995 that same person is 10 years old. How is this possible?
What did the piece of wood say when he saw the screwdriver and screws approaching?