66% knows the answer to this question: "Who sang "Tainted Love" (1981)? "

And do you know the answer to this one? "Who sang "99 Luftballons" (1983)?"

79% knows the answer to this question: "Who sang "Hey Jude" (1968)? "

And do you know the answer to this one? "Who sang "Be My Baby" (1963)?"

79% knows the answer to this question: "Who sang "Le Freak" (1978)? "

And do you know the answer to this one? "Who sang "Stayin’ Alive" (1977)?"

32% knows the answer to this question: "Who sang "Smells Like Teen Spirit" (1991)? "

And do you know the answer to this one? "Who sang "Wonderwall" (1995)?"

58% knows the answer to this question: "Who sang "Imagine" (1971)? "

And do you know the answer to this one? "Who sang "Let’s Stay Together" (1972)?"

74% knows the answer to this question: "Who sang "American Pie" (1971)? "

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

86% knows the answer to this question: "Who sang "Paranoid" (1970)? "

And do you know the answer to this one? "Who sang "Breaking the Law" (1980)?"

58% knows the answer to this question: "Who sang "Stayin’ Alive" (1977)? "

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

59% knows the answer to this question: "Who sang "Dancing Queen" (1976)? "

And do you know the answer to this one? "Who sang "Hotel California" (1976)?"

44% knows the answer to this question: "Who sang "Imagine" in 1971? "

And do you know the answer to this one? "Who sang "Stayin’ Alive" in 1977?"

35% knows the answer to this question: "What is the capital of Brazil? "

And do you know the answer to this one? "Who developed the theory of relativity?"

87% knows the answer to this question: "What is the capital of Japan? "

And do you know the answer to this one? "Who discovered penicillin?"