In many liquor stores, you can buy pear brandy, with a real pear inside the bottle. The pear is whole and ripe, and the bottle is genuine; it hasn't been cut in any way. How did the pear get inside the bottle?
How can you put an egg which is 5 cm in diameter into a bottle with a mouth that is 2 cm in diameter? You may not damage the bottle in any way.
I am black as night but filled with light. I can be seen, even through a screen. I hold many secrets, waiting for them to be discovered. What am I?
A family, made up of 2 parents with children, has an average age of 20.
If you exclude one parent, who is 40, the average age drops to 15.
How many kids are in the family?
