80% knows the answer to this question: "An old wives' tale says cracking your knuckles causes which condition? "

And do you know the answer to this one? "What was the first name of Ms Lewinsky who hit the headlines in 1998?"

50% knows the answer to this question: "What is the name of the tiny bird that sips flower nectar? "

And do you know the answer to this one? "A devastating 1906 earthquake hit which Californian city?"

63% knows the answer to this question: "Which US prison famously housed the 'Birdman'? "

And do you know the answer to this one? "What German car manufacturer has a car nicknamed "Bug"?"

58% knows the answer to this question: "How many times does 25 go into 500? "

And do you know the answer to this one? "What happened to King Henry VIII's wife Anne Boleyn?"

59% knows the answer to this question: "Mohandas Gandhi is known best as this? "

And do you know the answer to this one? "What is the most northern place on Earth?"

52% knows the answer to this question: "The headquarters of the car manufacturer Mercedes-Benz is in which country? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"

44% knows the answer to this question: "Who sang the famous song "It's All Over Now" (1964) "

And do you know the answer to this one? "Who sang the famous song Ramona (1977)? "

32% knows the answer to this question: "Pointe work has been almost exclusively for women since 1830s, when Swedish Italian ballerina Marie Taglioni popularized it. If you are dancing sur les pointes, what are you doing? "

And do you know the answer to this one? "What major event took place in the United States on December 7, 1941?"

74% knows the answer to this question: "What is the capital of the Czech Republic? "

And do you know the answer to this one? "Which word rhymes with "bread"?"

49% knows the answer to this question: "What did women often burn during the Women's Rights Movement of the 60's and 70's? "

And do you know the answer to this one? "In what country was Julius Caesar born?"

61% knows the answer to this question: "Chaise is a...? "

And do you know the answer to this one? "Which of these forms of carbon is South Africa particularly renowned for producing?"

79% knows the answer to this question: "In October 1963, the Lamborghini car company was founded in which country? "

And do you know the answer to this one? "Which of these is smallest?"