Answer:
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
A grandmother, two mothers and two daughters went shopping together and everyone bought one purse each. How many purses did they bring home all together?
What can u hold without using your hand
What is the difference between yesterday and tomorrow?
An archaeologist unearths a coin bearing the inscription "57BC". How does he instantly know that it's a forgery?
I always have to work with something in my eye. What am I?