35% knows the answer to this question: "Cardiff is a city in which part of the United Kingdom? "

And do you know the answer to this one? "In maths – which word means of or related to having zero members in a set, or a value of zero?"

66% knows the answer to this question: "Mary Isobel Catherine Bernadette O'Brien is the full name of which singer? "

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

36% knows the answer to this question: "In what year was Metro Goldwyn Mayer launched? "

And do you know the answer to this one? "In which of Australia's states is Sydney located?"

55% knows the answer to this question: "What 2D shape has 4 sides? "

And do you know the answer to this one? "21 x 4 x 3 x 10 = ?"

68% knows the answer to this question: "This 'S' is from which US retailer's logo? "

And do you know the answer to this one? "Which real life brother of Charlie Sheen starred with him in Men at Work?"

74% knows the answer to this question: "2x1x3 equals what number? "

And do you know the answer to this one? "In which month of the year do most Major League Baseball players typically get a three-day break for the All Star Game?"

32% knows the answer to this question: "What is the spa treatment where a layer of mud is applied to the body? "

And do you know the answer to this one? "What was the name of the band and its self-titled album that topped the US Heavy Metal charts in the 70s?"

57% knows the answer to this question: "72x64÷64 equals what number? "

And do you know the answer to this one? "If you earn $12 in 13 minutes, how much will you earn in 16 hours?"

77% knows the answer to this question: "Which of these Disney feature films was released first? "

And do you know the answer to this one? "Which movie is villain Michael Myers from?"

41% knows the answer to this question: "What is the name commonly associated with a 1974 military coup in Portugal? "

And do you know the answer to this one? "372,000 workers in which industry went on strike in West Virginia, USA in February 1950?"

67% knows the answer to this question: "Which king was the intended victim of the Gunpowder Plot? "

And do you know the answer to this one? "Sid James played the part of The Rumpo Kid in which Carry On film?"

40% knows the answer to this question: "In maths – which word means of or related to having zero members in a set, or a value of zero? "

And do you know the answer to this one? "In which modern-day country was the Cycladic civilization located?"