77% knows the answer to this question: "The first electric sewing machine was marketed by whom? "

And do you know the answer to this one? "OS stands for _________?"

93% knows the answer to this question: "Which group released 'Sgt Pepper's Lonely Hearts Club Band' in 1967? "

And do you know the answer to this one? "Martin Luther King donated his Nobel Prize money to which cause?"

49% knows the answer to this question: "What is 479 rounded to the nearest 100? "

And do you know the answer to this one? "What is 25% of 28?"

95% knows the answer to this question: "In what city would you find Hyde Park, as well as Piccadilly, Trafalgar and Belgrave squares? "

And do you know the answer to this one? "In what city can you visit the Musee du Louvre?"

83% knows the answer to this question: "Who sang the famous song "Bohemian Rhapsody" (1975) "

And do you know the answer to this one? "Who sang the famous song "Song Sung Blue" (1972) ?"

91% knows the answer to this question: "Which political crisis took place in Cuba in the 1960s? "

And do you know the answer to this one? "In which state did Rosa Park refuse to give up her bus seat to a white passenger?"

92% knows the answer to this question: "Also known as the Red Baron, Manfred von Richtofen became famous as something during World War I. As what? "

And do you know the answer to this one? "What was put in a window during the Victorian era to symbolize warmth?"

91% knows the answer to this question: "Achilles is the mythical hero protagonist of Iliad and other Greek legends. Despite being almost invulnerable, had only one weakness. Which one? "

And do you know the answer to this one? "After the Battle of Hastings, what did William become known as?"

54% knows the answer to this question: "With a diet of over 99% bamboo, what bear is native to south central China? "

And do you know the answer to this one? "Blowfly offspring can be used to tell how long a body has been dead and to eat dead flesh in living patients. What offspring is this?"

95% knows the answer to this question: "The Roman god of the sea was named what? "

And do you know the answer to this one? "Which of these is a country in Africa?"

47% knows the answer to this question: "What kind of geographical features are Bondi and Copacabana? "

And do you know the answer to this one? "Who wrote "The Ugly Duckling"?"

46% knows the answer to this question: "Who was Japan's Emperor at the beginning of World War Two? "

And do you know the answer to this one? "What 2013 film is about the mid-orbit destruction of a space shuttle and the attempts to return home?"