Answer:
When does 4 - 1 = 5 ?
There are 5 sisters in a room: Ann is reading a book, Margaret is cooking, Kate is playing chess, Marie is doing the laundry. What is the fifth sister doing?
What is the difference between yesterday and tomorrow?
Twelve pears hanging high, twelve men passing by. Each took a pear and left eleven hanging there. How can this be?
Mary's Father had 5 daugthers. Monday, Tuesday, Wednsday & Thursdsay. What is the Last daugther's name?
I only exist when you are here. Where you never were I can never be.