51% knows the answer to this question: "What is the state capital of Colorado? "

And do you know the answer to this one? "What is the missing word: ... impressions are the most lasting"

70% knows the answer to this question: "Louis Chevrolet is best associated with which division of industry? "

And do you know the answer to this one? "In what country is the World Heritage site, Palace and Park of Versailles?"

45% knows the answer to this question: "The body of which revolutionary figure is permanently displayed in Moscow's Red Square? "

And do you know the answer to this one? "From whom did the "Edwardian era" of fashion gets its name?"

47% knows the answer to this question: "Who sang the famous song Don't You Forget About Me (1985)? "

And do you know the answer to this one? "Who sang the famous song "Layla" (1971)?"

81% knows the answer to this question: "The ancient practice of footbinding was popular in what country? "

And do you know the answer to this one? "Desalination is the removal of what from water?"

39% knows the answer to this question: "The Champs-Élysées is a famous part of which European city? "

And do you know the answer to this one? "In what US state is Philadelphia located?"

44% knows the answer to this question: "Which of these is a parasitic relationship? "

And do you know the answer to this one? "A waterway called the Serpentine separates Hyde Park and Kensington Gardens in what city?"

74% knows the answer to this question: "What nickname for New York City was popularized in the 1920s columns by John J FitzGerald? "

And do you know the answer to this one? "What is Turkey's most populous city as well as its cultural and financial hub?"

78% knows the answer to this question: "Which country was placed under an international oil embargo in 2012? "

And do you know the answer to this one? "Which of these was a name commonly given to the 1920s?"

90% knows the answer to this question: "Which of these men led the Soviet Union? "

And do you know the answer to this one? "What is the practice of cultivating the land or raising livestock?"

84% knows the answer to this question: "Who had a 70s hit with "You're so Vain"? "

And do you know the answer to this one? "What is the capital city of Angola, and the country's most populous and important city?"

83% knows the answer to this question: "What were trade associations formed in medieval towns called? "

And do you know the answer to this one? "What year was the transistor invented?"