95% knows the answer to this question: "Which U.S. state is the Grand Canyon located in? "

And do you know the answer to this one? "Which part of the body does an ophthalmologist specialize in?"

88% knows the answer to this question: "Which gas is most commonly used in lightbulbs? "

And do you know the answer to this one? "Which famous ship was found in 1985 after being lost since 1912?"

60% knows the answer to this question: "Who sang the 1980 hit “Call Me”? "

And do you know the answer to this one? "Who made “Addicted to Love” iconic in 1986?"

91% knows the answer to this question: "Who performed the smooth ballad “If You Don’t Know Me by Now” (1972)? "

And do you know the answer to this one? "Who sang “Let’s Stay Together” in 1972?"

63% knows the answer to this question: "Which continent is known as the “Dark Continent”? "

And do you know the answer to this one? "What is the hardest natural substance on Earth?"

59% knows the answer to this question: "What is the name of the galaxy we live in? "

And do you know the answer to this one? "Who painted the Mona Lisa?"

95% knows the answer to this question: "What is the smallest planet in our solar system? "

And do you know the answer to this one? "Which language is primarily spoken in Brazil?"

77% knows the answer to this question: "Which war was fought between the North and South regions of the United States? "

And do you know the answer to this one? "Who was the first female Prime Minister of the United Kingdom?"

36% knows the answer to this question: "Who was the first President of the United States? "

And do you know the answer to this one? "In what year did World War II end?"

77% knows the answer to this question: "Who made “Tears in Heaven” a heartfelt classic in 1992? "

And do you know the answer to this one? "Who sang the catchy “I Think We’re Alone Now” in 1987?"

52% knows the answer to this question: "Who turned “Ain’t No Sunshine” into a soulful hit in 1971? "

And do you know the answer to this one? "Who sang “Young at Heart” back in 1953?"

68% knows the answer to this question: "Which element is liquid at room temperature and toxic to humans? "

And do you know the answer to this one? "Which desert is the largest hot desert in the world?"