Answer:
There are 30 cows and 28 chickens. How many didn't?
My life can be measured in hours, I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
What has two legs but doesn't walk?
What surrounds the world, yet dwells within a thimble?
What has thirteen hearts But no body or soul?
Why was the cook arrested?