41% knows the answer to this question: "After the Battle of Hastings, what did William become known as? "

And do you know the answer to this one? "Which country invaded the Japanese island of Iwo Jima in 1945?"

93% knows the answer to this question: "According to Little Eva, Grand Funk Railroad and Kylie Minogue, "everybody's doing a brand new dance now." What dance? "

And do you know the answer to this one? "What band's original members were often dressed up as a police officer, a Native American, a cowboy, a biker, a construction worker and a soldier?"

30% knows the answer to this question: "What legendary rock band shared an Oscar in 1970 for "Best Song Score" for the movie Let It Be, a documentary on the making of their last album? "

And do you know the answer to this one? "What movie is about a man who has fathered 533 children through a sperm bank? "

61% knows the answer to this question: "Which of these were first developed by the Roman Empire? "

And do you know the answer to this one? "What is the name of the American newspaper heiress who was kidnapped by the Symbionese Liberation Army, an urban militant group she later joined, in 1974?"

68% knows the answer to this question: "The Grand Canyon is in which country? "

And do you know the answer to this one? "... in all things"

49% knows the answer to this question: "Which Hollywood studio traditionally opens its movies with a shot of a roaring lion from the Memphis Zoo? "

And do you know the answer to this one? "In "Harry and the Hendersons", what kind of creature is Harry?"

51% knows the answer to this question: "How many calories are there in a glass of water? "

And do you know the answer to this one? "What term is used to describe when a soccer player uses his head to direct the ball backwards?"

46% knows the answer to this question: "Cannes is a town in which European country? "

And do you know the answer to this one? "A "sparkling" wine is generally characterized by what?"

35% knows the answer to this question: "Who was referred to as 'The Velvet Voice'? "

And do you know the answer to this one? "Who sang the famous song "Call Me" (1980)?"

33% knows the answer to this question: "What river do the Mexicans call Rio Bravo del Norte? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"

94% knows the answer to this question: "Which string instrument is played with a bow? "

And do you know the answer to this one? "Who sang the famous song "Mr Wonderful" (1956)?"

30% knows the answer to this question: "William Shatner and Pete Townshend both have tinnitus. What is another name for tinnitus? "

And do you know the answer to this one? "What is the stage in humans where the body matures physically?"