Answer:
What can you stick between a 3 and a 4 so that the result is more than three but less than four?
You are participating in the swimming finals at the Olympics. In the final few seconds of the race you narrowly pass the swimmer who was in third place. What place did you get?
Three doctors said that Bill was their brother. Bill said he had no brothers. Who was lying?
Two fathers and two sons are in a car, yet there are only three people in the car. How is this possible?
What is yours but only used by others?
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?