Answer:
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
The answer I give is yes, but what I mean is no. What was the question?
What coin doubles in value when half is deducted?
In 1990, a person is 15 years old. In 1995 that same person is 10 years old. How is this possible?
If a rooster lays an egg on the exact peak of a barn, which side does it fall?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.