Answer:
If there are three apples and you take away two, how many do you have?
How do you make the number one disappear by adding to it?
What is as big as you are and yet does not weigh anything?
There are two sisters: one gives birth to the other and she, in turn, gives birth to the first. Who are the two sisters?
You have a bucket full with 5 gallons of water. What can you ADD to it in order to make it 3 gallons?
Not born, but from a Mother's body drawn. I hang until half of me is gone. I sleep in a cave until I grow old. Then valued for my hardened gold.