|How do you make a cigarette lighter?
Take out the tobacco.
|How do you make notes of stone?
Rearrange the letters.
|How is a burning candle like thirst?
A bit of water ends both of them.
|How is a pig like a horse?
When a pig is hungry he eats like a horse, and when a horse is hungry he eats like a pig.
|How many acorns grow on the average pine tree?
None. Pine trees don't have acorns.
|How many beans can you put in an empty bag?
One. After that the bag isn't empty.
|How many feet are in a yard?
It depends on how many people are standing in it.
|How many sides does a box have?
Two, the inside and the outside.
|How many worms make a foot?
|How much dirt is there in a hole exactly one foot deep and one foot across?
None. A hole is empty.