49% knows the answer to this question: "Who sang the famous song "Single Ladies" (2008) ? "

And do you know the answer to this one? "Who sang the famous song "Tequila Sunrise" (1973) ?"

36% knows the answer to this question: "Which country celebrates its independence every year on the 4th of July? "

And do you know the answer to this one? "What is the distance that light travels in a year called?"

42% knows the answer to this question: "Who was Franklin D. Roosevelt? "

And do you know the answer to this one? "Complete these lyrics to 'Over the Rainbow': 'Somewhere over the rainbow?"

88% knows the answer to this question: "Who sang the famous song "Isn't She Lovely" (1976) ? "

And do you know the answer to this one? "Who sang the famous song "Night Fever" (1978) ?"

44% knows the answer to this question: "Complete this 1994 single title by Celine Dion: 'The Power of?' "

And do you know the answer to this one? "Who built the first working magnetic telegraph in 1835 and also co-invented a special language, or code, that was compatible with it?"

74% knows the answer to this question: "What determines how loud or soft a sound is? "

And do you know the answer to this one? "Which is the major form of sugar used by living things as fuel?"

81% knows the answer to this question: "What is the postcode for York? "

And do you know the answer to this one? "Which of the following is not a type of Latin dance?"

87% knows the answer to this question: "Captured by troops from Burgundy, who was burned in the Old Market Square in Rouen, France, on May 30, 1431? "

And do you know the answer to this one? "In the 1940s, Germany was divided into two separate sovereign states. What were they called?"

53% knows the answer to this question: "In 1991, what was made the official language of Puerto Rico? "

And do you know the answer to this one? "In 2014, Bohuslav Sobotka became the Prime Minister of which Eastern European country?"

84% knows the answer to this question: "What medical term means "pain resulting from insufficient blood to the heart"? "

And do you know the answer to this one? "What unit of measurement is equal to 43,650 square feet?"

45% knows the answer to this question: "On account of an eerie sound it makes, what is another common name for the spotted hyena? "

And do you know the answer to this one? "My mom was a cougar. No, really. Not the younger-man-chasing kind, an actual feline. What was I?"

77% knows the answer to this question: "What would you call a nautical unit of speed? "

And do you know the answer to this one? "At 60 miles per hour, how far do you travel in a half hour?"