Answer:
How do you discover something that does not exist?
On Christmas eve, when Santa leaves his workshop on the north pole, what direction does he travel.
Mary's Father had 5 daugthers. Monday, Tuesday, Wednsday & Thursdsay. What is the Last daugther's name?
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?
The yellow house has yellow window, the red house has red windows, what colour windows does the green house have?
What can never be put in a saucepan?