76% knows the answer to this question: "McDonald's introduced which foods in 1972? "

And do you know the answer to this one? "In 2013, how many presidents had there been? "

75% knows the answer to this question: "Which string instrument is played with a bow? "

And do you know the answer to this one? "What is "Vichyssoise"?"

58% knows the answer to this question: "Gwen Verdon, Debbie Allen, Christina Applegate and Molly Ringwald all played dancer Charity Valentine in what musical? "

And do you know the answer to this one? "What is the Windy City, either because of meteorology or because of the flapping gums of local political blowhards?"

38% knows the answer to this question: "Who had a hit with "Pretty Woman" in 1964? "

And do you know the answer to this one? "On August 4, 1962, who was found naked in bed, dead, with a bottle of sleeping pills nearby in her Brentwood home?"

46% knows the answer to this question: "Of these cities, which is in England? "

And do you know the answer to this one? "Who is the all-time best-selling fiction writer in the world, whose 78 crime novels have sold an estimated 2 billion copies?"

68% knows the answer to this question: "Complete the name of the 1960's band The Dave Clark? "

And do you know the answer to this one? "Tequila is a type of mezcal named for a community in Jalisco. Where is Jalisco?"

47% knows the answer to this question: "What is a young kangaroo called? "

And do you know the answer to this one? "What is best described as the base unit of electrical current?"

65% knows the answer to this question: "Which of these states is the warmest in terms of average temperature? "

And do you know the answer to this one? "Which farm animals chew the cud?"

80% knows the answer to this question: "Which nation's satellite called the Dong Fang Hong 1 is launched into orbit on April 24th 1970? "

And do you know the answer to this one? "Which African city is overlooked by Table Mountain?"

90% knows the answer to this question: "Which bird shares its name with a country? "

And do you know the answer to this one? "What sort of headgear did Roman Centurions wear?"

82% knows the answer to this question: "Who sang the famous song "Shape of You" (2010s) "

And do you know the answer to this one? "Who sang the famous song "Rolling in the Deep" (2000s)"

56% knows the answer to this question: " "Here's looking at you, kid." "

And do you know the answer to this one? ""May the Force be with you.""