How many wheels are there on the trailer of an "18-wheeler" truck?

More Questions:

What's the first of Elizabeth Kubler-Ross" Five Stages of Grief?

The name "gastropub" is derived from what two words?

What sport in the Olympics includes tucks, twists and pikes?

Who was famous for saying "That's telling like it is"?

What object is said to bring bad luck if it is broken?

What small carrier attached to a motorcycle shares its name with a brandy cocktail?

Althea Gibson was a pioneering African-American athlete in what sport?

Who said, "Do give books - religious or otherwise - for Christmas"?

Which US state's name is derived from the French words for "green mountains"?

In what Australian state would you find Parkes?

The Gorbals is a district of which city?

What explorer disappeared in 1928 while on a rescue mission for survivors of the crashed airship "Italia"?

Who patented the first practical fountain pen back in 1884?

Which European country ruled the Philippine Islands as a colony before 1898?

What US band features the members Billie Joe Armstrong, Mike Dirnt and Tre Cool?