Answer:
A girl is sitting in a house at night that has no lights on at all. There is no lamp, no candle, nothing. Yet she is reading. How?
How do you drop an egg and never break it?
A town has only two barbers. One of the barbers has a nice, tidy haircut, and the other has a shaggy, messy haircut. Which barber should you go to?
How do you make the number one disappear by adding to it?
How could all of your cousins have an aunt who is not your aunt?
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?