39% knows the answer to this question: "Which of the following presidents was married to Jackie Onassis? "

And do you know the answer to this one? "Naples is in which country?"

49% knows the answer to this question: "Which hill in London was the location for a Julia Roberts and Hugh Grant movie? "

And do you know the answer to this one? "The "Watergate" scandal is associated with which American president?"

69% knows the answer to this question: "Which Tom starred in Forrest Gump? "

And do you know the answer to this one? "What was the name of the period of dust storms that affected American the 1930s?"

89% knows the answer to this question: "What is the main solid ingredient of Alphabet soup? "

And do you know the answer to this one? "What disgusting thing will a wine buff do after taking a sip, and not even get thrown out of the wine bar?"

60% knows the answer to this question: "Who ruled as Soviet dictator from 1924 until 1953? "

And do you know the answer to this one? "What is oceanic crust?"

55% knows the answer to this question: "What is 9613 rounded to the nearest 10? "

And do you know the answer to this one? "What colour is in the title of Whoopi Goldberg's first major film?"

69% knows the answer to this question: "What is the capital city of Thailand? "

And do you know the answer to this one? "Where is the Emirates Palace situated?"

58% knows the answer to this question: "A girl cycled 20km before lunch and 12km after lunch. What was the total distance travelled? "

And do you know the answer to this one? "If you are serving Haute Cuisine, what is your job?"

44% 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?"

53% 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?"

82% 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?"

76% 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 "Which form of transport was withdrawn in London in 1952?"