95% knows the answer to this question: "In 1989, authorities added 750 metric tonnes of lead weights around the north side of its base, to keep what city's Leaning Tower from collapsing? "

And do you know the answer to this one? "Where in California would you find the lowest point in the Western Hemisphere?"

49% knows the answer to this question: "In a medical context, something that is pertaining to the skin is known as what? "

And do you know the answer to this one? "An animal with a very long snout, originating in South and Central America, is known as what?"

40% knows the answer to this question: "What would you find inside the cranial cavity? "

And do you know the answer to this one? "A person with diabetes produces an insufficient amount of what in the body?"

74% knows the answer to this question: "Which of these shapes is round? "

And do you know the answer to this one? "Two classes, which each had 20 pupils, shared a school bus for a day trip. 3 pupils from one class and four pupils from the other class were unable to travel. How many pupils were on the bus?"

39% knows the answer to this question: "What notable event marred the 1972 Olympics in Munich, Germany? "

And do you know the answer to this one? "Which political party was outlawed in West Germany in 1956?"

70% knows the answer to this question: "The Rocky Mountains are in which continent? "

And do you know the answer to this one? "What nocturnal hunter has eyes that face forward?"

74% knows the answer to this question: "A crime fighter who wears a green and black outfit with a green ring is who? "

And do you know the answer to this one? "The Devil's Tower is what?"

60% knows the answer to this question: "The Vietnamese called it the Truong Son Strategic Supply Route. What did the Americans call it? "

And do you know the answer to this one? "Ariel Sharon, leader of which country, suffered a stroke in 2006?"

63% knows the answer to this question: "Who sang the famous song "She's Always A Woman To Me" (1978) "

And do you know the answer to this one? "Who sang the famous song "Late In The Evening" (1980)? "

30% knows the answer to this question: "In addition to being islands in the English Channel, Jersey and Guernsey are also types of what animal? "

And do you know the answer to this one? "Who killed Lee Harvey Oswald?"

78% knows the answer to this question: "In what continent has the lowest natural temperature on Earth been recorded? "

And do you know the answer to this one? "What is the meaning of 'WWW'?"

86% knows the answer to this question: "Danke is the German word for what expression of gratitude? "

And do you know the answer to this one? "Which of these is an island in Australian territory?"