Answer:
There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?
What can you hold in your right hand but never in your left hand?
I have two coins, one is marked George I and one is marked George IV. One is genuine but one is a forgery. Which is the forgery?
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?
There is a dog on one side of a lake and a woman on the other. The woman calls the dog over and when he gets there he is not wet at all. How is this possible?
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.