20. The One with Apples
Question: You have 20 apples in a basket. 20 children come to you, and each one of them asks for an apple. You want to give all the apples to each one of them, but still keep one inside the basket? How will you do it?
Answer: Give all the 19 apples to each one of them and give the basket to the last child with the apple still inside it.