70% knows the answer to this question: "Who sang the famous song "You Make Me Feel Like A Natural Woman" (1967) "

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

91% knows the answer to this question: "Which food/beverage is most effective in waking a human being? "

And do you know the answer to this one? "Illumination of the night sky is also known as what?"

79% knows the answer to this question: "Which of the following is not a major country in North America? "

And do you know the answer to this one? "Movie director Federico Fellini was from which country?"

88% 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 color are Granny Smith apples?"

60% knows the answer to this question: "With what genre of books do you associate Barbara Cartland? "

And do you know the answer to this one? "Which of these capital cities is in South America?"

31% knows the answer to this question: "What annual event takes place on the White House lawn each Easter Monday for children? "

And do you know the answer to this one? "In 1893, Pennsylvania bridge engineer George Ferris built his first eponymous wheel in what "windy city"?"

71% knows the answer to this question: "The ancient Egyptian civilization was based around which river? "

And do you know the answer to this one? "Which country did Joan of Arc try to set free from English domination?"

95% knows the answer to this question: "Which of these wars started in 1914? "

And do you know the answer to this one? "In which US state did the Japanese attack Pearl Harbor in 1941?"

58% knows the answer to this question: "Queen's lead singer Freddie Mercury died in 1991 from pneumonia, as a result of what disease? "

And do you know the answer to this one? "Israel launched Operation Protective Edge in which area in 2014?"

45% knows the answer to this question: "What sort of ships are the Vikings famously known to have used? "

And do you know the answer to this one? "Parker and Barrow were the surnames of what infamous couple?"

45% knows the answer to this question: "Pharoahs were kings of which ancient civilisation? "

And do you know the answer to this one? "Founded in the 1970s, OPEC was a trade organisation for which industry?"

43% knows the answer to this question: "If Dee is 7 years older than her 3-year-old sister, how old is Dee? "

And do you know the answer to this one? "What river flows through the Grand Canyon?"