一 The easiest question in the worldone day , a rich man met Sam. the rich man asked , Ive heard you are very clever and nothing is difficult to you. Can you tell me why you are so clever.Sam answered, Im notclever, but you are too silly. The rich man became very angry.Sam said, Sir, please dont be angry, if you dont believe what I said, let me ask you a question now. If you have a group of sheep, I give you another group. How groups of s