How many colors are there in the spectrum?

More Questions:

What is the American equivalent of the Irish Poitin?

What colour are shelled pistachio nuts?

In the comic strip Peanuts, what color is Woodstock?

Whose painting entitled "Impression: Sunrise" gave the name to the Impressionist movement?

A Villanelle is a type of what?

In what city would you find Balboa Park?

What capital city is located on the shores of Chesapeake Bay?

Dhaka is the capital of which country?

Gingivitis is inflammation of the what?

What jazz singer was the U2 song Angel of Harlem about?

In the movie "Gremlins', what is the name of the little Mogwai given to Billy?

In the movie "Batman', what does the Joker call his secret ingredient?

Who played the role of Tom in the TV show "Rich Man, Poor Man"?

Where does Madeline try to commit suicide in Hitchcock's movie "Vertigo"?

Who signed off his radio show by saying "Keep your feet on the ground and keep reaching for the stars"?