75% knows the answer to this question: "In mathematics, which word can be used to mean any rule expressed symbolically? "

And do you know the answer to this one? "Which of the following equals 15,000 ohms?"

37% knows the answer to this question: "Who said "England is a nation of shopkeepers"? "

And do you know the answer to this one? "Jodie Foster and a young Kristen Stewart star in ____ Room?"

52% knows the answer to this question: "Which soft drink had the slogan "The Friendly Pepper-Upper"? "

And do you know the answer to this one? "Who lent his name to a Lean Mean Fat Reducing Grilling Machine that made him more money than boxing ever did?"

48% knows the answer to this question: "What kind of doctor was Dr Martin Luther King Jr? "

And do you know the answer to this one? "Which branch of medicine deals with joint disorders?"

51% knows the answer to this question: "What volatile element powers the time machine in Back to the Future? "

And do you know the answer to this one? "Who directed the movie 'Saving Private Ryan'?"

88% knows the answer to this question: "In 1950, scientists started to date which documents, found in the Dead Sea? "

And do you know the answer to this one? "Cornell University produced which human body part using a 3D printer?"

30% knows the answer to this question: "Donuts are packaged in sixes, how many packs do you need to buy in order to have 234donuts? "

And do you know the answer to this one? "What city is located where the Mississippi meets the Missouri river?"

47% knows the answer to this question: "If you rescue trapped people and animals, what might your job be? "

And do you know the answer to this one? "Empress Kōgyoku ruled which nation in the 7th century?"

89% knows the answer to this question: "There were riots in which European country in June 1953 in favour of reunification? "

And do you know the answer to this one? "What is the name of the ring the Phantom carries on his right hand?"

87% knows the answer to this question: "Which sex symbol of the 1960s married German millionaire playboy Gunter Sachs? "

And do you know the answer to this one? "What actor delivered the famous line: Goooood morning, Vietnam!?"

79% knows the answer to this question: "Sheikh Zayed Grand Mosque is in which country? "

And do you know the answer to this one? "What can be made from the particles of a dead virus to prevent the disease caused by that virus?"

45% knows the answer to this question: "Which continent has the lowest population? "

And do you know the answer to this one? "What Italian lemon liqueur is served in chilled ceramic cups along the Amalfi Coast?"