74% knows the answer to this question: "The Opportunity Rover space craft landed on which planet in 2004? "

And do you know the answer to this one? "Who killed John F. Kennedy's presumed assassin Lee Harvey Oswald?"

42% knows the answer to this question: "Who sang the famous song "With A Little Help From My Friends" (1968)? "

And do you know the answer to this one? "Who sang the famous song "Goin' Back" (1968)?"

90% knows the answer to this question: "In 2007, only 1% of US yogurt purchases were made using this "national" technique. By 2013, that number was 35%. What is it? "

And do you know the answer to this one? "King Edward VIII gave up the throne in 1936 in order to do what?"

62% knows the answer to this question: "The Statue of Zeus can be found in which country? "

And do you know the answer to this one? "What are the small spots called occasionally seen in your field of vision?"

68% knows the answer to this question: "What was the name of the 1066 battle in which Harold II died? "

And do you know the answer to this one? "Which country launched an observation satellite that exploded after launch in 2012?"

69% knows the answer to this question: "Who said 'That's one small step for man; one giant leap for mankind'? "

And do you know the answer to this one? "What Saint is celebrated on 17 March?"

42% knows the answer to this question: "Who sang the famous song "How Deep is Your Love?" (1977)? "

And do you know the answer to this one? "Who sang the famous song "Total Eclipse Of The Heart" (1983) ?"

83% knows the answer to this question: "A tendon connects muscles to what? "

And do you know the answer to this one? "Who sang the famous song "Another Brick In The Wall" (1980)?"

58% knows the answer to this question: "Taquitos are included in which cuisine? "

And do you know the answer to this one? "Found in Burgundy, the French city of Dijon is known for what condiment, which is often sold in decorative hand-painted faience pots?"

35% knows the answer to this question: "How many degrees is a complete circle? "

And do you know the answer to this one? "What was the first name of silent movie star Jolson who died in 1950?"

90% knows the answer to this question: "Most metals are grey in color; what is the only metal that is yellow? "

And do you know the answer to this one? "C is the chemical symbol for which element with the atomic number 6?"

33% knows the answer to this question: "Which of these military sounding figures was Elvis Presley's manager for much of his career? "

And do you know the answer to this one? "What disability does Jeff Healy have according to his song 'Angel Eyes'?"