56% knows the answer to this question: "Horseshoes are usually made from what? "

And do you know the answer to this one? "Which of the following describes a period of abnormally dry weather for a specific area?"

77% knows the answer to this question: "Osteoarthritis affects which part of the body? "

And do you know the answer to this one? "Hay fever is caused by an allergy to which substance?"

57% knows the answer to this question: "Johannesburg is what country's largest city? "

And do you know the answer to this one? "Which of these is the longest river in the world?"

38% knows the answer to this question: "The description "the magic kingdom" relates best to which of these landmarks? "

And do you know the answer to this one? "Who made the album: Thriller?"

60% knows the answer to this question: "What was the name of the first effective antibiotic? "

And do you know the answer to this one? "What was the first name of 19th century writer Wilde?"

88% knows the answer to this question: "Which of these was a member of The Beatles? "

And do you know the answer to this one? "In the world of pop music, who were "On The Block" in 1990?"

87% knows the answer to this question: "Which continent has the fewest countries? "

And do you know the answer to this one? "What is the geographic term for the height of an area, measured from sea level?"

64% knows the answer to this question: "What was the first name of the American frontiersman Mr Crockett? "

And do you know the answer to this one? "If you win six out of 12 times, what percent do you lose?"

54% knows the answer to this question: "A Burger King Whopper is included in which cuisine? "

And do you know the answer to this one? "How many hundreds in one thousand?"

48% knows the answer to this question: "With which of the arts do you associate Beethoven? "

And do you know the answer to this one? "In which country might you expect to see women wearing saris?"

61% knows the answer to this question: "How many inches are there in one foot? "

And do you know the answer to this one? "How many kidneys do most adults have?"

79% knows the answer to this question: "What is the sum of 25+10+12? "

And do you know the answer to this one? "What country first implemented the One-child policy in 1979?"