50% knows the answer to this question: "What is water stored beneath the surface of the Earth called? "

And do you know the answer to this one? "Wyoming was the first state to grant the right to vote to whom?"

52% knows the answer to this question: "A field in which rice is grown is called a what? "

And do you know the answer to this one? "Which is the longest river wholly in England?"

50% knows the answer to this question: "The Amsterdam Arena is a sports venue in which European country? "

And do you know the answer to this one? "What name refers to trips across the Atlantic Ocean?"

36% knows the answer to this question: "Which of the Great Lakes is the only one named for a US state? "

And do you know the answer to this one? "In what movie does Harrison Ford take on a role David Janssen had played on TV?"

36% knows the answer to this question: "Which scientific term means "a small body of water"? "

And do you know the answer to this one? "What did a whitewasher use in his work?"

30% knows the answer to this question: "Janet Reno, Michael J Fox, Muhammad Ali and John Paul II all suffered from what disease? "

And do you know the answer to this one? "Which US state was battered by Hurricane Andrew in 1992?"

59% knows the answer to this question: "What was the name of the Soviet satellite launched on October 4, 1957? "

And do you know the answer to this one? "Who played a chimney sweep with the world's worst cockney accent in Mary Poppins?"

73% knows the answer to this question: "Who is the month of July named after? "

And do you know the answer to this one? "Berwick-upon-Tweed is the northernmost community in what country, even though it was never formally annexed by it?"

76% knows the answer to this question: "He'll be back ... in a big car. In 1992, what California Republican bought the first commercially available Hummer, and eventually started converting his Hummer fleet to green fuels? "

And do you know the answer to this one? "TV Land put up a bronze statue of Elvis, wearing his bejewelled jumpsuit, in what city, on the very site of his 1973 Aloha From Hawaii concert?"

55% knows the answer to this question: "What dynasty built most of the present-day Great Wall of China as a way to keep out the Mongols? "

And do you know the answer to this one? "In which of these empires would you have found a cho ku nu warrior?"

46% knows the answer to this question: "A chameleon is famous for changing its color. Can you change pace and identify the type of animal it is? "

And do you know the answer to this one? "In 2013, China announced an air defense zone that overlapped with that of what country?"

46% knows the answer to this question: "In what city can you watch one of the annual summer Proms concerts at the Royal Albert Hall? "

And do you know the answer to this one? "Which country attacked the secessionist Republic of Chechnya in 1994?"