55% knows the answer to this question: "Vladimir the Great is also St Vladimir of Kiev, having brought Christianity to what people? "

And do you know the answer to this one? "Who sang the famous song "Anniversary Song" (1940)?"

84% knows the answer to this question: "Which Stewart had a 1993 hit with 'Have I Told You Lately'? "

And do you know the answer to this one? "Which country is in Africa?"

44% knows the answer to this question: "Which country was Nikita Khrushchev expelled from the leadership in 1964? "

And do you know the answer to this one? "In what city did Princess Diana die?"

40% knows the answer to this question: "Who was Queen Victoria's husband? "

And do you know the answer to this one? "What was the main crop grown by the British colonies in Virginia?"

80% knows the answer to this question: "What is made by white blood cells to help fight off infection? "

And do you know the answer to this one? "Which part of the body has frontal and temporal lobes?"

63% knows the answer to this question: "Which of these is smallest? "

And do you know the answer to this one? "In October 1963, the Lamborghini car company was founded in which country?"

67% knows the answer to this question: "Chaise is a...? "

And do you know the answer to this one? "Which of these forms of carbon is South Africa particularly renowned for producing?"

34% knows the answer to this question: "Which of the following vegetables can be red, yellow or white? "

And do you know the answer to this one? "In cooking a sauce or custard, what is it called when it is thick and forms a film on a metal spoon?"

86% knows the answer to this question: "What is the word for getting rid of electrical charge by transferring it? "

And do you know the answer to this one? "The ballet "The Nutcracker" is especially popular during which holiday season?"

31% knows the answer to this question: "What U.S. state is nicknamed "The Aloha state"? "

And do you know the answer to this one? "Which of these is the name of the invention that meant the end of road maps?"

37% knows the answer to this question: "Thought to be a 19-year-old student named Wang Weilin, Tank Man stopped a row of tanks in what city's Tiananmen Square in 1989? "

And do you know the answer to this one? "What is the distinguishing feature of a Manx cat?"

40% knows the answer to this question: "Who sang the famous song "It’s Now Or Never" (1960)? "

And do you know the answer to this one? "Which animal is not a mammal?"