68% knows the answer to this question: "What happened in Tiananmen Square in 1989? "

And do you know the answer to this one? "What was the name of the period of dust storms that affected America in the 1930s?"

35% knows the answer to this question: "What was 'in the window' in the title of a 1950s hit by Pattie Page and Liza Roza? "

And do you know the answer to this one? "Phil Collins was chosen to be a drummer for which British rock band in 1970?"

88% knows the answer to this question: "What are materials that come from the earth called? "

And do you know the answer to this one? "What is the condition where lack of blood supply kills off tissue?"

66% knows the answer to this question: "What country borders Canada and Mexico? "

And do you know the answer to this one? "Which of these characteristics allows an owl to see well at night?"

49% knows the answer to this question: "Multiples of which number are always even? "

And do you know the answer to this one? "What duo made the international 1970s hit 'Bridge Over Troubled Water'?"

35% knows the answer to this question: "What movie nearly starred Michelle Pfeiffer as Clarice Starling and Gene Hackman as Hannibal Lecter? "

And do you know the answer to this one? "What type of music did Deep Purple and Alice Cooper play in the 70s?"

92% knows the answer to this question: "Kingston is the capital of which country? "

And do you know the answer to this one? "Which US city is often called 'The Windy City'?"

30% knows the answer to this question: "Made from batter, what English savoury dish is typically served with roast beef? "

And do you know the answer to this one? "What disease was initially called GRID, or gay-related immunodeficiency disease?"

55% knows the answer to this question: "Which one of these words means filled with joy? "

And do you know the answer to this one? "What did Rapunzel let down?"

82% knows the answer to this question: "A tisane is an herb infusion. What do you probably call it? "

And do you know the answer to this one? "Which member of the Rolling Stones was divorced by Bianca in 1978?"

68% knows the answer to this question: "Simone de Beauvoir was born in which country? "

And do you know the answer to this one? "Which of these places is a continent not a country?"

51% knows the answer to this question: "Ivory workers were put out of business due to a decline in which animals? "

And do you know the answer to this one? "Which fruit will turn brown when cut?"