39% knows the answer to this question: "Which hot-tempered tennis legend won both Wimbledon and the U.S. Open in 1984? "

And do you know the answer to this one? "What was the world's largest city in 7000 BC?"

41% knows the answer to this question: "Autobots and Decepticons were part of which toy range? "

And do you know the answer to this one? "Who had a hit with 'Uptown Girl'?"

46% knows the answer to this question: "What is half of 98? "

And do you know the answer to this one? "Bananas are technically radioactive because they are such a good source of what mineral, which contains a tiny bit of an unstable isotope?"

36% knows the answer to this question: "The ancient Olympic Games originated in which country? "

And do you know the answer to this one? "Which fictional creatures feature in the movie "Night of the Living Dead"? "

39% knows the answer to this question: "Who sang the famous song "Maggie May / (Find A) Reason To Believe" (1971)? "

And do you know the answer to this one? "Who sang the famous song "The Gambler" (1979)?"

39% knows the answer to this question: "Sony is a global electronics brand from which country? "

And do you know the answer to this one? "In what U.S. is the island of Manhattan located?"

89% knows the answer to this question: "Who sang the famous song "Call Me" (1980)? "

And do you know the answer to this one? "The Kinks had which hit single in 1964?"

52% knows the answer to this question: "19 plus what equals 42? "

And do you know the answer to this one? "Who sang the famous song "Bye Bye Love" (1957)?"

60% knows the answer to this question: "Contrary to what you've heard, our kunik nose nuzzle is not how we kiss. We do it to babies. Who are we? "

And do you know the answer to this one? "What body of water touches the eastern coast of Mexico?"

53% knows the answer to this question: "Who did the Monkees tell to cheer up in 'Daydream Believer? "

And do you know the answer to this one? "Finish this line of Tina Turner lyrics: "You're simply the best ___________"."

31% knows the answer to this question: "Adverts which appear onscreen without the user wanting them to are known as what? "

And do you know the answer to this one? "How many eyes did the Greek mythical creature Cyclops have?"

56% knows the answer to this question: "Plans were announced to build the Thames Barrier in which city in 1970? "

And do you know the answer to this one? "Who played Hermione Granger in the "Harry Potter" movie?"