60% knows the answer to this question: "Who sang the famous song "You're So Vain" (1972)? "

And do you know the answer to this one? "Who sang the famous song "One Moment In Time" (1988) ?"

78% knows the answer to this question: "What is a state of lawlessness and disorder? "

And do you know the answer to this one? "What epidemic spread across almost all of Europe in the years 1346-53?"

60% knows the answer to this question: "What was Wolfgang Mozart's middle name? "

And do you know the answer to this one? "Which German warship sank after the Battle of the Denmark Straight in 1941?"

46% knows the answer to this question: "Who sang the famous song "Mrs Robinson" (1968)? "

And do you know the answer to this one? "Who sang the famous song "West End Girls" (1985)? "

58% knows the answer to this question: "In 2007, only 1% of US yogurt purchases were made using this "national" technique. By 2013, that number was 35%. What is it? "

And do you know the answer to this one? "Walt Disney World opened in which Florida city in 1971?"

44% knows the answer to this question: "What microscope uses a magnetic field to view specimens? "

And do you know the answer to this one? "Most metals are grey in color; what is the only metal that is yellow?"

90% knows the answer to this question: "What is the period of growth before birth called? "

And do you know the answer to this one? "What organ has two chambers called atriums and two chambers called ventricles?"

47% knows the answer to this question: "What duo released the number-one hit single "I Got You Babe" in 1965? "

And do you know the answer to this one? "Which of these is a judge on The X Factor?"

84% knows the answer to this question: "If you buy a $14,000 car, paying $2000 down plus a $2500 trade-in, how much is the balance? "

And do you know the answer to this one? "I can fit 32 pots of spice on my rack. How many racks do I need for 224 pots?"

87% knows the answer to this question: "Who sang the famous song "Starman" (1972) "

And do you know the answer to this one? "Who sang the famous song "Layla (unplugged)" (1992)? "

62% knows the answer to this question: "Who sang the famous song "Jolene" (1973)? "

And do you know the answer to this one? "As we learned in the 1964 movie, how much sugar makes the medicine go down in a most delightful way?"

65% knows the answer to this question: "What do you call the seed in the middle of a cherry? "

And do you know the answer to this one? "Which word is spelled wrong?"