The number 20 is the basis for which numeral system?

More Questions:

What four colors are used in four-color process printing?

The Eisner Award is an award given in what field?

What degree did Brett Favre earn from the University of Southern Mississippi?

The organization PETA stands for "People for" what?

The novel "Barnaby Rudge" is set during which riots?

The title for the novel "A Brave New World" was derived from which Shakespearean play?

What Mexican ciudad sits across the Rio Grande from El Paso, Texas?

Though botanically a fruit, what food was officially ruled a vegetable by the US Supreme Court in 1893?

Whose "Analyst" was James Coburn in a 1967 film?

In what film does Tom Hanks play a character named Sherman McCoy?

Which actress played a character named Ellen Ripley in the movie "Alien"?

Who played European John Blackthorne in the miniseries "Shogun"?

What saxophonist released the 1964 album "A Love Supreme"?

SpongeBob SquarePants lives in a house shaped like what?

How many distinct campaigns did the Crusades have?