Answer:
Five hundred begins it, five hundred ends it. Five in the middle is seen. First of all figures, the first of all letters. Take up their stations between. Join all together, and then you will bring before you the name of an eminent king.
I have many feathers to help me fly. I have a body and head, but I'm not alive. It is your strength which determines how far I go. You can hold me in your hand, but I'm never thrown.
I run around the city, but I never move.
What is that which, though black itself, enlightens the world without burning?
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
What did the piece of wood say when he saw the screwdriver and screws approaching?