40% knows the answer to this question: "What Khmer capital was reclaimed by the jungle sometime after the Thais conquered it in 1431? "

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

70% knows the answer to this question: "In 1984, which head of state was murdered by two of their own Sikh bodyguards? "

And do you know the answer to this one? "What was the name of the currency in Italy before the euro?"

37% knows the answer to this question: "A NASA deep space probe's ion propulsion was inspired by the otherwise awful episode Spock's Brain, of what TV series? "

And do you know the answer to this one? "Who first patented the telephone, although just barely?"

30% knows the answer to this question: "Which birds are traditionally associated with Trafalgar Square in London? "

And do you know the answer to this one? "What is the capital city of Lebanon, which borders the Mediterranean Sea?"

44% knows the answer to this question: "What are the indigenous people of Australia called? "

And do you know the answer to this one? "What is the term for the objective of not spending more money than is taken in by the government?"

40% knows the answer to this question: "Born in the U.S.A' and 'Born to Run' are albums by which singer? "

And do you know the answer to this one? "After Moscow, what is Russia's second largest city?"

91% knows the answer to this question: "In the 1950s the United States began the Space Race with which other country? "

And do you know the answer to this one? "Famous ballet 'The Nutcracker' is by which composer?"

37% knows the answer to this question: "Who sang 'You're the One That I Want' with Olivia Newton John? "

And do you know the answer to this one? "Who were Victoria Adams, Melanie Chisholm, Melanie Brown, Geraldine Halliwell and Emma Burton?"

32% knows the answer to this question: "James I, William Rufus (William II), Richard the Lion-Hearted and Edward II may have been gay. And all were kings of what place? "

And do you know the answer to this one? "Who was Napoleon Bonaparte?"

68% knows the answer to this question: "Kruger National Park is one of the 10 largest national parks in the world and it's on what country's border with Mozambique? "

And do you know the answer to this one? "The Sound of Music is set and filmed in which European country?"

90% knows the answer to this question: "A nanny is an adult female animal of what sort? "

And do you know the answer to this one? "In which of these European countries is German the official language?"

91% knows the answer to this question: "Which of these places is an island off the African coast? "

And do you know the answer to this one? "Which of these crops was one of the biggest exports of Jamaica?"