47% knows the answer to this question: "F.W. de Klerk was president of which country? "

And do you know the answer to this one? "Who announced development of a cryptocurrency called JPM Coin?"

52% knows the answer to this question: "Which country launched Rising Star I, its first satellite? "

And do you know the answer to this one? "Which company made the famous Chopper bike in 1969?"

30% knows the answer to this question: "What number came after "Catch" in the title of a popular Joseph Heller novel? "

And do you know the answer to this one? "What is compressed burned wood used for drawing called?"

57% knows the answer to this question: "Which of these materials is best for shaping and modelling? "

And do you know the answer to this one? "What currency was formerly used in Germany?"

34% knows the answer to this question: "What comes next, 10, 15 20, ? "

And do you know the answer to this one? "Which is the longest river wholly in England?"

89% knows the answer to this question: "What famous scientist was awarded the 1921 Nobel Prize in Physics? "

And do you know the answer to this one? "Red sky in morning, sailors take what?"

72% knows the answer to this question: "Which of these military sounding figures was Elvis Presley's manager for much of his career? "

And do you know the answer to this one? "Ros Serey Sothear was a singing superstar in what country, until she vanished in its 'killing fields''?'"

46% knows the answer to this question: "Who is the American responsible for the Emancipation Proclamation? "

And do you know the answer to this one? "In what battle did General Custer's army fight against Crazy Horse?"

72% knows the answer to this question: "Which is the most commonly used measure for distance travelled by car? "

And do you know the answer to this one? "What is 17 rounded to the nearest 10?"

41% knows the answer to this question: "Who sang the famous song "Strawberry Fields Forever" (1967) ? "

And do you know the answer to this one? "Who sang the famous song "You Don't Bring Me Flowers" (1978) ?"

87% knows the answer to this question: "Who sang the famous song Tusk (studio) (1979)? "

And do you know the answer to this one? "Who sang the famous song Wet Sand (1994)? "

62% knows the answer to this question: "Where did Vikings bury their dead that was considered an honour? "

And do you know the answer to this one? "In which country is the city of Innsbruck?"