89% knows the answer to this question: "Who sang the famous song "Mamma Mia" (1975) ? "

And do you know the answer to this one? "Who sang the famous song "Annie's Song" (1976) ?"

68% knows the answer to this question: "What piece of material attracts iron and some other metals? "

And do you know the answer to this one? "The Indianapolis 500 was first staged in 1911. What kind of sporting event is it?"

90% knows the answer to this question: "In computing terms, what does the 'M' stand for in ROM? "

And do you know the answer to this one? "The Da Nang International Airport is in which country?"

59% knows the answer to this question: "In the 1940s, the US Army Meteorological Service started naming these for women. But as of May 12, 1978, you could also name them for men. What are they? "

And do you know the answer to this one? "Jim Parsons was born in 1973. He is best known for his role in which show?"

43% knows the answer to this question: "In the measurement of time, what does GMT stand for? "

And do you know the answer to this one? "What weapon, which we learned smells good in the morning in the movie Apocalypse Now, was originally a powdered aluminum soap of naphthalene with palmitate, which becomes sticky when mixed with gasoline?"

74% knows the answer to this question: "Which country is located on the continent of South America? "

And do you know the answer to this one? "What do North Africans call a riverbed that only occasionally is a river?"

80% knows the answer to this question: "Which of these would you not work out at a gym, but might instead use surgically if somebody gives birth at the gym? "

And do you know the answer to this one? "What is water stored beneath the surface of the Earth called?"

53% knows the answer to this question: "What is a 9 letter word meaning "to encircle"? "

And do you know the answer to this one? "The Cape Colony's chief gemologist said that Schalk van Niekerk's diamond was just a pebble. Where was he?"

88% knows the answer to this question: "Who succeeded Gerhard Schroder as Chancellor of Germany in 2005? "

And do you know the answer to this one? "The Armstrong-Whitworth F.K.10 aircraft was used predominantly by which country in World War I?"

77% knows the answer to this question: "The island of Mauritius was once the home of what extinct species? "

And do you know the answer to this one? "Op Art is also known as what?"

70% knows the answer to this question: "Which TV series did butler 'Lurch' appear in? "

And do you know the answer to this one? "In golf, what is the term given to the score expected of an accomplished player?"

33% knows the answer to this question: "What rock band was formed in London in 1970, from the remains of another band called Smile? "

And do you know the answer to this one? "Which famous actress was born in 1972?"