59% knows the answer to this question: "What is the hardest rock type commonly found on Earth? "

And do you know the answer to this one? "Who wrote *The Odyssey*?"

78% knows the answer to this question: "What is the tallest mountain in the world? "

And do you know the answer to this one? "Which element has the atomic number 1?"

87% knows the answer to this question: "Which planet is known for its prominent ring system? "

And do you know the answer to this one? "What is the largest internal organ in the human body?"

63% knows the answer to this question: "Which country was formerly known as Persia? "

And do you know the answer to this one? "What is the chemical symbol for potassium?"

55% knows the answer to this question: "Which country has the longest coastline in the world? "

And do you know the answer to this one? "What is the square root of 144?"

39% knows the answer to this question: "Who made us groove with “Wake Me Up Before You Go-Go” (1984)? "

And do you know the answer to this one? "Who sang “Time After Time” in 1983?"

94% knows the answer to this question: "Who gave us the anthem “Let’s Get It On” (1973)? "

And do you know the answer to this one? "Who performed “Go Your Own Way” (1977)?"

47% knows the answer to this question: "Who brought us “Stand By Me” in 1961? "

And do you know the answer to this one? "Who performed the pop classic “Africa” in 1982?"

78% knows the answer to this question: "Who delivered the heartfelt hit “Wonderful Tonight” (1977)? "

And do you know the answer to this one? "Who sang “Killing Me Softly with His Song” in 1973?"

50% knows the answer to this question: "Which 1968 film involves a woman giving birth to the Antichrist? "

And do you know the answer to this one? "Which 1973 movie is known for a 12-year-old girl being possessed by a demon?"

46% knows the answer to this question: "What iconic event took place in 1969 and featured "one small step for man"? "

And do you know the answer to this one? "Which British band rose to global fame in the 1960s with songs like “Hey Jude”?"

65% knows the answer to this question: "The´Hall of Mirrors´ is in which building? "

And do you know the answer to this one? "Hugh Grant and Julia Roberts play key roles in....?"