57% knows the answer to this question: "The American national anthem is called "The Star Spangled..." what? "

And do you know the answer to this one? "Which oranges have a button-like opening on one end?"

91% knows the answer to this question: "Which Michigan city is famous for its car manufacturing? "

And do you know the answer to this one? "What is a third of 21 plus 90?"

34% knows the answer to this question: "Named by John Fremont for Istanbul's Golden Horn, the Golden Gate connects what bay to the Pacific Ocean? "

And do you know the answer to this one? "What Michael Jackson song did Quincy Jones want to rename "Not My Lover," so that nobody would think it was about tennis?"

48% knows the answer to this question: "Who sang the famous song "Tammy" (1957)? "

And do you know the answer to this one? "Who sang the famous song "(‘Til) I Kissed You" (1959)?"

82% knows the answer to this question: "If you're a character in a movie and you're driving Miss Werthan, you should also known her first name. What was it? "

And do you know the answer to this one? "What "sweet home" state appears in a 2002 Reese Witherspoon title?"

84% knows the answer to this question: "How many days are there in a non-leap year calendar year? "

And do you know the answer to this one? "If you're friending Yuri and Ivan on Vkontakte, you're probably on what country's fairly shameless rip-off of Facebook?"

74% knows the answer to this question: "Which of the following is the biggest? "

And do you know the answer to this one? "Residents of Peru are referred to as what?"

55% knows the answer to this question: "Who was the Emperor of Japan during WW2? "

And do you know the answer to this one? "What was the surname of Ethel and Julius, executed for spying in 1953?"

69% knows the answer to this question: "What is split into three sections called thoracic, cervical and lumbar? "

And do you know the answer to this one? "Your clavicle is more commonly referred to as what?"

49% knows the answer to this question: "Which number is odd? "

And do you know the answer to this one? "Kids in 1975 went crazy to own which sort of pet creature?"

46% knows the answer to this question: "The "Happy Meal" was introduced by which fast food chain in June 1979? "

And do you know the answer to this one? "Which fruit is Florida most famous for growing?"

39% knows the answer to this question: "I ended up replacing Nicole Kidman as Brad Pitt's co-star in "Mr & Mrs Smith" ... and soon replaced Jennifer Aniston as Brad Pitt's girlfriend, too. Who am I? "

And do you know the answer to this one? "What Hong Kong theme park features a themed land that makes use of characters from the "Toy Story" movies?"