Answer:
A traveller moved from North to East then to West and lastly South.. What was he looking for?
What can I not be tomorrow?
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?
You draw a line. Without touching it, how do you make the line longer?
What is the difference between yesterday and tomorrow?
What is always coming but never arrives?