87% knows the answer to this question: "This is the biggest seller in US produce aisles, and the red delicious is the biggest selling variety. What is it? "

And do you know the answer to this one? "Which of these is a peppermint flavoured traditional Christmas treat?"

64% knows the answer to this question: "Pointe work has been almost exclusively for women since 1830s, when Swedish Italian ballerina Marie Taglioni popularised it. If you are dancing sur les pointes, what are you doing? "

And do you know the answer to this one? "What is the only country bordering South Korea?"

52% knows the answer to this question: "What mountain in France translates to mean 'White Mountain'? "

And do you know the answer to this one? "What British force travels in black and white "panda cars"?"

94% knows the answer to this question: "In "Harriet the Spy", Harriet and her friends form a club and give it what name? "

And do you know the answer to this one? "Which "Lady" did the Beatles have a hit about in 1968?"

46% knows the answer to this question: "Which of the following art movements is characterised by a fascination with pop culture? "

And do you know the answer to this one? "What was the name of JFK's son?"

35% knows the answer to this question: "Of the world's 40+ monarchies, about a third of them recognise what country's monarch as their own? "

And do you know the answer to this one? "Where would you be if you encountered the prehistoric, aquatic monster that Scotsman swear still exists?"

39% knows the answer to this question: "Who sang the famous song "I Honestly Love You" (1974)? "

And do you know the answer to this one? "Who sang the famous song "Heart Of Glass" (1979)?"

76% knows the answer to this question: "What was the surname of Elvis' manager, Colonel Tom? "

And do you know the answer to this one? "In human biology, what do melanin and carotene determine?"

73% knows the answer to this question: "What group of animals is warm-blooded and has fur or hair? "

And do you know the answer to this one? "What system is the body's defence against bacteria?"

42% knows the answer to this question: "Established in 1956, what does the Tefal company make? "

And do you know the answer to this one? "In a typical game of pool, the 8-ball is what color?"

49% knows the answer to this question: "What is 50% of 750? "

And do you know the answer to this one? "Eden has 105 toy cars and Alfie has 36 fewer. How many does Alfie have?"

82% knows the answer to this question: "Invertebrate organisms that live on or in another organism are called what? "

And do you know the answer to this one? "How many Fallopian tubes does the average woman have?"