30% knows the answer to this question: "Immediately after the end of World War I, what natural disaster hit Europe? "

And do you know the answer to this one? "What Jules Verne character from another book appears in "The Mysterious Island"?"

62% knows the answer to this question: "What percent of 40 gives you 20? "

And do you know the answer to this one? "In 1950 this song became a #1 hit for Patti Page, and in 1965 it became one of Tennessee's state songs. What is it?"

35% knows the answer to this question: "Of these, which is NOT in California? "

And do you know the answer to this one? "Ian needs to fill a 1000 litre pool with water. If his hose fills 50 litres an hour, how many hours will it take to fill the pool?"

83% knows the answer to this question: "Who sang the famous song "Smoke On The Water" (1973)? "

And do you know the answer to this one? "Who sang the famous song "Here Comes The Sun" (1969)? "

75% knows the answer to this question: "The Soweto uprising began in what country in 1976? "

And do you know the answer to this one? "Who was Oscar Wilde?"

67% knows the answer to this question: "What does the word "geothermal" mean? "

And do you know the answer to this one? "The House-Grey Memorandum was a WWI invite from the US to what country to participate in peace talks?"

35% 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?"

77% 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?"

48% 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?"

49% 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?"

63% 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?"

66% 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? "What is added to 56 to make 99?"