82% knows the answer to this question: "Who sang the famous song "I Left My Heart in San Francisco" (1962)? "

And do you know the answer to this one? "Who sang the famous song "We Are The World" (1985)? "

79% knows the answer to this question: "How are pockets of air in soil made? "

And do you know the answer to this one? "In 1938, what silk-like fabric was used as hosiery?"

44% knows the answer to this question: "Who sang the famous song "High On A Windy Hill" (1941)? "

And do you know the answer to this one? "Who sang the famous song "Maria Elena" (1940)?"

76% knows the answer to this question: "How much did it cost to get into the Woodstock festival in 1967? "

And do you know the answer to this one? "Which European actress starred in "Dear Brigitte"?"

38% knows the answer to this question: "What is another name for "spun sugar"? "

And do you know the answer to this one? "Which 1939 film clocked in at three hours and forty-one minutes?"

32% knows the answer to this question: "Which of these is a type of science? "

And do you know the answer to this one? "Cleansing your body of all toxins is called what?"

44% knows the answer to this question: "Gwen Verdon, Debbie Allen, Christina Applegate and Molly Ringwald all played dancer Charity Valentine in what musical? "

And do you know the answer to this one? "Rubber is a good material for making wellington boots because it is what?"

69% knows the answer to this question: "There is ... among thieves "

And do you know the answer to this one? "Everybody wants to go to heaven but nobody wants to ..."

73% knows the answer to this question: "What sort of animal is Mr Ed? "

And do you know the answer to this one? "In which European country is Mount Olympus situated?"

79% knows the answer to this question: "The description "birthplace of American freedom" best relates to which landmark? "

And do you know the answer to this one? "What is one of the largest industries in Iceland?"

70% knows the answer to this question: "Dallas/Fort Worth International Airport is in which state? "

And do you know the answer to this one? "What is the name for leather with a napped, fuzzy finish?"

82% knows the answer to this question: "What lost national name lives on in the common name for black pekoe tea? "

And do you know the answer to this one? "What is the name of famous author who suggested Ulysses S. Grant should write his memoirs?"