you just took them yourself.

Here’s a few more for you :

How many eggs can you put in an empty basket one foot in diameter?
Answer: Only one egg, because after that the basket doesn’t remain empty any more!
What weighs more – a pound of iron or a pound of feathers?
Answer: Both would weigh the same – come on, a pound remains a pound, irrespective of the object!
If a rooster laid 13 eggs, and the farmer took away 8, how many eggs are left?
Answer: Roosters don’t lay no eggs!