64% knows the answer to this question: "What was Mao Zedong's army called? "

And do you know the answer to this one? "Of which country was Ayatollah Ali Khameini Supreme Leader at the start of the 90s?"

63% knows the answer to this question: "Who sang the song "Everybody (Backstreet's Back)"? "

And do you know the answer to this one? "Who sang the famous song "Proud Mary" (1971) ?"

65% knows the answer to this question: "How many stomachs have humans have? "

And do you know the answer to this one? "Bruxella was the Roman name for which European city?"

74% knows the answer to this question: "What is the capital city of Mexico, and the largest city in North America by population? "

And do you know the answer to this one? "What is the periodic rise and fall in the ocean's water level called?"

52% knows the answer to this question: "What fruit is so closely related to the pumpkin that many so-called pumpkins are actually that fruit? "

And do you know the answer to this one? "Mascarpone is a type of what?"

59% knows the answer to this question: "How many Fallopian tubes does the average woman have? "

And do you know the answer to this one? "The medical term, "ophthalmic", is best defined as?"

52% knows the answer to this question: "What is 50% of 750? "

And do you know the answer to this one? "What is the highest number of dots on one end of a standard domino?"

34% knows the answer to this question: "Established in 1956, what does the Tefal company make? "

And do you know the answer to this one? "In a typical game of pool, the 8-ball is what color?"

76% knows the answer to this question: "What group of animals is warm-blooded and has fur or hair? "

And do you know the answer to this one? "What system is the body's defence against bacteria?"

68% knows the answer to this question: "In tech talk what is a "Blackberry"? "

And do you know the answer to this one? "What was the surname of Elvis' manager, Colonel Tom?"

64% knows the answer to this question: "What was the name of the brothers who made the first controlled, sustained flight of a powered aircraft? "

And do you know the answer to this one? "This German printer invented the printing press in 1440."

93% knows the answer to this question: "Who sang the famous song "Heart Of Glass" (1979)? "

And do you know the answer to this one? "Who sang the famous song "I Honestly Love You" (1974)?"