31% knows the answer to this question: "In pre-decimal currency, how many sides did the old threepenny bit have? "

And do you know the answer to this one? "What were Florenz Ziegfeld's legendary musical extravaganzas called?"

50% knows the answer to this question: "The acronym PTSD stands for what? "

And do you know the answer to this one? "What does S stand for in the condition PTSD?"

95% knows the answer to this question: "What is Australia's longest river? "

And do you know the answer to this one? "Which of the following buildings is the oldest?"

40% knows the answer to this question: "Which iconic landmark dud Gustave Eiffel design in Paris? "

And do you know the answer to this one? "Restriction of movement on any part of the body is called what?"

63% knows the answer to this question: "The southern limit of the tropics is called Capricorn, what is the northern limit called? "

And do you know the answer to this one? "What is the most common coloured coat of the Kerry Beagle?"

80% knows the answer to this question: "In Sweden, what does the person who finds the Christmas rice pudding almond get? "

And do you know the answer to this one? "What was Frank Lloyd Wright's profession?"

84% knows the answer to this question: "If a recipe required you to "julienne" a carrot, what would you do to it? "

And do you know the answer to this one? "Which part of a turkey or chicken was traditionally used to make soup or gravy?"

57% knows the answer to this question: "If you eat 5 sweets from a tub that contains 526 how many sweets do you have left? "

And do you know the answer to this one? "What is 44 times 4?"

61% knows the answer to this question: "Chippy is a slang name for what job? "

And do you know the answer to this one? "I'm an actor and very funny comedian who got no respect, who am I?"

33% knows the answer to this question: "I wrote the series of books about a boy wizard named Harry Potter, who am I? "

And do you know the answer to this one? "What is the name of the part of government that actually produces money?"

31% knows the answer to this question: "The Great Wall is a famous tourist destination in which country? "

And do you know the answer to this one? "What was the name of Barbie's boyfriend?"

51% knows the answer to this question: "What 1980 movie included the characters named Otis and Superman/Clark Kent? "

And do you know the answer to this one? "What Julia Roberts movie is known in China as "I Will Marry a Prostitute to Save Money"?"