90% knows the answer to this question: "What device consists of one or more cells that produce direct current? "

And do you know the answer to this one? "What is a giant crack in a rock called?"

93% knows the answer to this question: "What is the capital city of Iran? "

And do you know the answer to this one? "Peru, the third largest country in South America, harbours which capital city?"

86% knows the answer to this question: "What is the total of 75 + -12 + 84? "

And do you know the answer to this one? "Who sang the famous song You Don't Have To Say You Love (1966)? "

72% knows the answer to this question: "Ray Charles had which state on his mind in 1960? "

And do you know the answer to this one? "Which singer was 'Sitting on the dock of the bay'?"

82% knows the answer to this question: "What famous chocolate with a candy-coated shell comes in plain or peanut? "

And do you know the answer to this one? "Richard Mackenzie wrote a book exploring why what food "Costs So Much at the Movies," noting that it costs more per ounce than filet mignon?"

49% knows the answer to this question: "What served as the home of Chinese emperors for almost 500 years and now houses the Palace Museum? "

And do you know the answer to this one? "What soft drink giant opened a bottling factory in Afghanistan in 2006?"

67% knows the answer to this question: "What is a yak classified as? "

And do you know the answer to this one? "If you throw a strike, make a spare or throw a gutter ball, you are playing what sport?"

52% knows the answer to this question: "What is a seven-letter word which means "following in the order of time"? "

And do you know the answer to this one? "How would you say 2:00pm in military time?"

70% knows the answer to this question: "Every man has his ... "

And do you know the answer to this one? "Which of these fairy tale authors was from Denmark?"

32% 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? "The biggest money spinning game on Facebook is what?"

41% knows the answer to this question: "A snowstorm that is so strong you cannot see anything, is called what? "

And do you know the answer to this one? "What country shares its name with an ink that is chemically inert, not affected by sunlight and virtually permanent?"

82% knows the answer to this question: "Rigsy bought a comic for £3.95 and a chocolate bar for 31p. How much did he spend altogether? "

And do you know the answer to this one? "What does the title "Utopia" mean?"