Riddle: You're sitting down for breakfast and realize you have 4 bagels left. You know you'll run out in four days so you cut them in half. How many bagels do you have now?
Riddle: We are three brothers, running behind each other. Always running round our mother: one after the other, yet no matter how fast we run, we never touches each other. What are we?
Riddle: I am sometimes green, I am sometimes yellow and green. When I'm green, I have many white babies inside me; and when yellow and green, I have many black babies inside of me and is sweet. What am I?