66% knows the answer to this question: "The famous opera house in which Australian city opened in 1973? "

And do you know the answer to this one? "A Portuguese stringed instrument called the braguinha picked up what new name when it was played by Hawaiians?"

31% knows the answer to this question: "Which of the following is an oven used to fire pottery or ceramics? "

And do you know the answer to this one? "Put your glad rags on and join me, hon, we'll have some fun when the clock strikes one. What will we do then?"

51% knows the answer to this question: "Richard Burton married which actress in 1964? "

And do you know the answer to this one? "Finished in 1994, a 31-mile tunnel under what body of water begins near Folkestone and ends near Coquelles?"

69% knows the answer to this question: "What do you call a series of photographs projected onto a screen which creates the illusion of motion? "

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

49% knows the answer to this question: "Prosciutto e Melone is included in which cuisine? "

And do you know the answer to this one? "Which one of these words means similarity?"

85% knows the answer to this question: "What flour tortilla, rolled and tucked around its filling, gets its name from "little donkey"? "

And do you know the answer to this one? "Finish The Lyric: "Bound by wild desire, I fell into"?"

32% knows the answer to this question: "What is the classification of a red wolf? "

And do you know the answer to this one? "Finish the country's name: Democratic Socialist Republic of Sri _______."

44% knows the answer to this question: "What are scientists who study animals called? "

And do you know the answer to this one? "What animal features on the logo of Quantas Airlines?"

67% knows the answer to this question: "In what country was Joan of Arc born? "

And do you know the answer to this one? "What type of government did the USSR have until 1991?"

35% knows the answer to this question: "What does "BMI" stand for? "

And do you know the answer to this one? "Lysozyme is found in each of these bodily fluids, but in which one does it protect the cornea from bacteria?"

80% knows the answer to this question: "Like cats, genets usually kill their prey with a bite to which part of the body? "

And do you know the answer to this one? "Krishna and Vishnu are Hindu gods worshipped in which of these countries?"

47% knows the answer to this question: "Yogurt is produced by bacterial fermentation of what? "

And do you know the answer to this one? "What does the immune system use to recognize bacteria and viruses?"