How many wheels does a pair of roller skates have?

More Questions:

What family member traditionally decorates the "tannenbaum" in Germany?

What type of pasta is usually shaped like little wagon wheels?

What baseball hall-of-famer was nicknamed "Hammerin" Hank"?

What Texas city is recognized as the birthplace of the card game "Texas Hold'em"?

What humorist often reminisces about his high school rock band, the Federal Duck?

Madison is the state capital of which US State situated on the Great Lakes?

What is the only National Park located in Michigan?

When did the Seychelles gain their independence from the United Kingdom?

What French scientist discovered that many diseases are caused by germs?

What planet was named after the goddess of beauty?

What Green Day hit spent a record sixteen weeks atop the Billboard Modern Rock chart?

Who recorded "The Fool on the Hill" in 1968?

During which war did the flag flying above Fort McHenry inspire Francis Scott Key's "The Star-Spangled Banner"?

Grace Murray Hopper, Jean Sammet, and Saul Gorn were the main developers of which business-oriented computer language?

Who is novelist Helen Fielding's most famous character?