46% knows the answer to this question: "Chicago likes a deep dish. New York prefers a thin crust and St Louis likes an even thinner crust. What food is this? "

And do you know the answer to this one? "What music term means: 'gradually getting louder and louder'?"

46% knows the answer to this question: "Which of these is not a river? "

And do you know the answer to this one? "Bernini, Correggio and Botticelli were all artists from what nation?"

55% knows the answer to this question: "Joan Crawford died in 1977. What was she famous for being? "

And do you know the answer to this one? "Who, in 1970 put a satellite into orbit that claims to detect any missile launch?"

73% knows the answer to this question: "Mary Isobel Catherine Bernadette O'Brien is the real full name of which singer? "

And do you know the answer to this one? "Of these states, which has the same name as a river?"

86% knows the answer to this question: "Which one of these words can be defined as normal? "

And do you know the answer to this one? "What country is the IRA from?"

91% knows the answer to this question: "'Othello' was a play written by which historical figure? "

And do you know the answer to this one? "Who was Rembrandt van Rijn?"

43% knows the answer to this question: "Ma Ying-jeou won a second term as President of what island country in 2012? "

And do you know the answer to this one? "In 1989 there was a student rally for democracy in Tiananmen Square, what country is it in?"

63% knows the answer to this question: "What is a musical piece for two performers called? "

And do you know the answer to this one? "Which fruit is picked while green because it continues to ripen after picking?"

85% knows the answer to this question: "What was the name of the Soviet Union's infamous national security agency between 1954 and 1991? "

And do you know the answer to this one? "What is 6 June 1944 better known as?"

81% knows the answer to this question: "California's famous film-making industry is in which area? "

And do you know the answer to this one? "What is the name of the Ukrainian power plant where a major nuclear accident occurred in 1986?"

44% knows the answer to this question: "Which President of North Korea ordered the execution of his own uncle in 2013? "

And do you know the answer to this one? "Who was Louis Pasteur?"

41% knows the answer to this question: "What continent is covered in ice? "

And do you know the answer to this one? "Which of these metals would be used in the manufacture of pipes, coins and electric wire?"