80% knows the answer to this question: "Discovered by Frederick Banting and Charles Best, what hormone was first used on Leonard Thompson, a 14-year-old diabetic? "

And do you know the answer to this one? "Anne Boleyn and Catherine Howard were both wives of what king? "

64% knows the answer to this question: "Who sang the famous song Mamma Mia (1975)? "

And do you know the answer to this one? "Which city has the most buildings in the top ten tallest buildings in the USA?"

58% knows the answer to this question: "Which screen idol died of AIDS in 1985, at the age of 59? "

And do you know the answer to this one? "What was the name of the rulers of Ancient Egypt?"

90% knows the answer to this question: "Which part of a bee is also the name of a rock star? "

And do you know the answer to this one? "Wolfgang Amadeus Mozart is known for being which one of the following?"

52% knows the answer to this question: "Which of these animals would have an outer covering of feathers? "

And do you know the answer to this one? "What is musician Rod Stewart's real name?"

79% knows the answer to this question: "What bird, which shares its name with some Atlantic islands, did coal miners use to detect dangerous gases? "

And do you know the answer to this one? "Which is not a contagious illness?"

79% knows the answer to this question: "In what year did Nazi Germany invade the Netherlands? "

And do you know the answer to this one? "Which of these men was not a member of the Rat Pack?"

72% knows the answer to this question: "In 1946, Churchill made a speech about what type of curtain dividing Europe? "

And do you know the answer to this one? "What nationality was Jean Moulin?"

34% knows the answer to this question: "The first electric sewing machine was marketed by whom? "

And do you know the answer to this one? "What is half of 44, plus 64?"

64% knows the answer to this question: "What is 54, plus 10, plus a dozen? "

And do you know the answer to this one? "What is the star like in "Twinkle, Twinkle Little Star"?"

39% knows the answer to this question: "Which one of these means to decide something will not occur? "

And do you know the answer to this one? "Which of these continent - country - capital groups is correct?"

36% knows the answer to this question: "TV western "Gunsmoke" was set in which town? "

And do you know the answer to this one? "Desmond Tutu, the Archbishop of Cape Town, resides in what country?"