Answer:
A sphere has three, a circle has two, and a point has zero. What is it?
Tickle with your fingers and a song it will sing. Be careful, though, you may break a string. What is it?
The land was white the seed was black. It'll take a good scholar to riddle me that.
What occurs four times in every week, twice in every month, only once in a year but never in a day?
What has fingers and a thumb but no hand?
What language does a billboard speak?