85% knows the answer to this question: "Who sang the famous song "Mr. Tambourine Man" (1965)? "

And do you know the answer to this one? "Who sang the famous song "Aquarius / Let The Sunshine In" (1969)?"

65% knows the answer to this question: "First flown in 1936 in Germany, what was the Hindenburg? "

And do you know the answer to this one? "The Roman Empire was centered in which present-day country?"

70% knows the answer to this question: "The first U.S. combat troops arrived in what Asian nation in 1965? "

And do you know the answer to this one? "In what U.S. state can you play the slots at the Venetian Casino?"

42% knows the answer to this question: "This is the biggest seller in US produce aisles, and the red delicious is the biggest selling variety. What is it? "

And do you know the answer to this one? "Which is true about bats in caves?"

81% knows the answer to this question: "What does the word "geothermal" mean? "

And do you know the answer to this one? "Who had the hit 60's song "Baby Love" on Motown?"

59% knows the answer to this question: "Which 1970s TV soap, starring Larry Hagman, debuted on TV in 1978? "

And do you know the answer to this one? "Albert Einstein was famous in which field of science?"

86% knows the answer to this question: "The Shah of which country fled to Egypt after a revolution in 1979? "

And do you know the answer to this one? "What disease did Ronald Reagan have that was revealed after his presidency?"

30% knows the answer to this question: "The Tremeloes sang that Silence was what? "

And do you know the answer to this one? "America had a hit about which creature with no name in 1972?"

34% knows the answer to this question: "What field of science deals with the nervous system? "

And do you know the answer to this one? "A sunburn is caused by overexposure to what kind of ray?"

33% knows the answer to this question: "What is added to homemade face paint to make it easier to remove when you're done? "

And do you know the answer to this one? "The Heathen first appeared on what album?"

95% knows the answer to this question: "As Jan and Dean might know, the real "dead man's curve" is a tight corner of Sunset Boulevard in what city? "

And do you know the answer to this one? "San Miguel is a beer from which European country?"

54% knows the answer to this question: "Which "Twist" singer was born Ernest Evans? "

And do you know the answer to this one? "In ancient Rome, what value was X?"