36% knows the answer to this question: "What is the British Union flag known as? "

And do you know the answer to this one? "Who orchestrated the brutal murder of Sharon Tate?"

85% knows the answer to this question: "Who passed $1 million in PGA earnings in 1968? "

And do you know the answer to this one? "What beak shape would let a bird get nectar from long, thin, tubular flowers?"

54% knows the answer to this question: "What is a contact sport played by two teams roller skating in the same direction around a track? "

And do you know the answer to this one? "A gazelle is classified as which of these?"

51% knows the answer to this question: "Which of the following is a arachnid? "

And do you know the answer to this one? "Before reaching the adult stage, which of these creatures undergoes metamorphosis?"

81% knows the answer to this question: "People addicted to plastic surgery often have what disease? "

And do you know the answer to this one? "What is the name of the medical speciality concerned with pregnancy and birth?"

52% knows the answer to this question: "During the American Revolutionary War, which of these men was a Commander at the 1780 'Battle of Camden'? "

And do you know the answer to this one? "The largest Nazca image is an outline of a 275-foot-long bird. Where is Nazca?"

71% knows the answer to this question: "What is guacamole made from? "

And do you know the answer to this one? "Billy Graham was famous in which field in the 1950s?"

65% knows the answer to this question: "Which of the following best relates to an actress? "

And do you know the answer to this one? "What country was Helen Reddy from?"

89% knows the answer to this question: "What is 56 times 3? "

And do you know the answer to this one? "What maths term means exact or accurate?"

59% knows the answer to this question: "Which of these is not a common hot dog garnish? "

And do you know the answer to this one? "When all the fat is removed from milk, it is called what?"

74% knows the answer to this question: "The membrane in the ear is named for what musical instrument? "

And do you know the answer to this one? "In 2012, which country held its first election following the death of Muammar Gaddafi?"

30% knows the answer to this question: "Edvard Munch's "The Scream" depicts a figure standing on a bridge doing what? "

And do you know the answer to this one? "In what city can you visit the Exploratorium, Coit Tower and Fisherman's Wharf?"