Of the 88 keys on a piano, how many are black?

More Questions:

What national news magazine published its first issue in February 1933, as a competitor of "Time"?

In the B&O Railroad, what does B&O stand for?

Which pasta has a calamari-like shape?

What common office supply item is named for the Asian "abaca" fiber used to make them?

For which newspaper does Clark Kent work?

What musical is the sequel to "The Phantom of the Opera"?

What is the only nation that borders both Costa Rica and Honduras?

What sensory organ do starfish have at the end of each arm?

In which Hitchcock movie is the protagonist confined to a wheelchair?

What 1973 horror movie features the characters Father Merrin and Father Karras?

What New York City night spot was the subject of a 1984 Richard Gere movie?

Which actor had the fourth wedding in the movie Four Weddings and a Funeral?

What lovestruck Warner Brothers cartoon character often chased a black cat named Penelope?

Who was the director of the FBI from 1924 to 1972?

Lisbon lies on which river?