49% knows the answer to this question: "Which of these was a US President in the 1960s? "

And do you know the answer to this one? "Which country was Ayatollah Khomeini the religious leader of during the 1980s?"

32% knows the answer to this question: "Black Monday in 1987 refers to which of these areas? "

And do you know the answer to this one? "What is the title of the famous British rock opera film released in 1975?"

35% knows the answer to this question: "Torald Sollmann tried to find an antidote to what horrific gas ... by spraying himself with it? "

And do you know the answer to this one? "Because bakers were worried about shortchanging customers, how many loaves are there in a baker's dozen?"

81% knows the answer to this question: "How old was Bruce Lee when he died? "

And do you know the answer to this one? "Which form of transport was withdrawn in London in 1952?"

51% knows the answer to this question: "3243+2166+1089 equals what number? "

And do you know the answer to this one? "Eggs are packaged in sixes, how many packs do you need to buy in order to have 90 eggs?"

91% knows the answer to this question: "321+218+115 equals what number? "

And do you know the answer to this one? "Which is the highest mountain in the world?"

49% knows the answer to this question: "What political leader in South Africa voted for the first time in his life in the 1994 election that brought him to power? "

And do you know the answer to this one? "Which 2008 movie can be described as Leering Ledger menaces Gotham?"

41% knows the answer to this question: "Who puts themselves in danger in order for a scene in a film to be exciting? "

And do you know the answer to this one? "A girl cycled 24km before lunch and 11km after lunch. What was the total distance travelled?"

84% knows the answer to this question: "In 1950s America, the phrase 'better dead than red' referred to which group of people? "

And do you know the answer to this one? "Which celebrity bride got married twice in a bikini?"

64% knows the answer to this question: "In 1968, Jackie Kennedy married a shipping tycoon from which country? "

And do you know the answer to this one? "What was an Olympic event between 1900 and 1920?"

94% knows the answer to this question: "What is the name for a Swiss house with a steep roof? "

And do you know the answer to this one? "How many wisdom teeth do people usually have?"

93% knows the answer to this question: "What was the name given to a group of typists working for a company in the 30s or 40s? "

And do you know the answer to this one? "Indiana Jones and the ..."