Answer:
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
A mother had five boys Marco, Tucker, Webster and Thomas. Was the fifth boys name Frank, Evan or Alex?
A precious stone, as clear as diamond. Seek it out while the sun's near the horizon. Though you can walk on water with its power, try to keep it, and it'll vanish in an hour.
I march before armies, a thousand salute me. My fall can bring victory, but no one would shoot me. The wind is my lover, one-Βlegged am I. Name me and see me at home in the sky.
What goes around and around the wood, but never goes into the wood?
What did the piece of wood say when he saw the screwdriver and screws approaching?