30% knows the answer to this question: "Invertebrate organisms that live on or in another organism are called what? "

And do you know the answer to this one? "How many Fallopian tubes does the average woman have?"

42% knows the answer to this question: "Which of these is the name of a classic rock band? "

And do you know the answer to this one? "After insisting that it didn't exist, the Mafia got the word "Mafia" removed from the script for what 1972 movie?"

83% knows the answer to this question: "What is a storage device for electricity called? "

And do you know the answer to this one? "The science term "precipitation" is best defined as which of these?"

64% knows the answer to this question: "Which 1950s invention made things a lot easier for mistake-prone writers? "

And do you know the answer to this one? "Lana Turner was a famous what?"

77% knows the answer to this question: "In what country would you find the world's third-longest river, the Yangtze? "

And do you know the answer to this one? "What colour is the flower used in the creation of Dandelion and Burdock?"

62% knows the answer to this question: "The skin of an animal with the fur or hair still on it is known as what? "

And do you know the answer to this one? "The Spanish Inquisition took place in what country?"

76% knows the answer to this question: "The very first art, drawn in dirt and wax, was found on the inner walls of what? "

And do you know the answer to this one? "Which is the most populated city in the US?"

77% knows the answer to this question: "Roger Miller sang that he was king of the what in the 60s? "

And do you know the answer to this one? "Which group had all five top positions on the Billboard chart in April 1964?"

48% knows the answer to this question: "Pecans, pumpkin and yucca are foods that originate where? "

And do you know the answer to this one? "What is Spain's second city?"

56% knows the answer to this question: "What are the "Big Dipper" and "Orion" examples of in the night sky? "

And do you know the answer to this one? "When the 19th Amendment was ratified in 1920, who got the right to vote?"

37% knows the answer to this question: "What was Elvis Presley's nationality? "

And do you know the answer to this one? "After the Cuban Revolution of January 1959, who assumed power?"

59% knows the answer to this question: "Who sang the famous song "Radio Radio" (1977)? "

And do you know the answer to this one? "Who sang the famous song "Hit The Road Jack" (1961)? "