77% knows the answer to this question: "What is the name given to the thin membrane in the ear? "

And do you know the answer to this one? "Who is usually the chief executive official of a town or city?"

81% knows the answer to this question: "Which animal has mask-like markings on its face and a ringed tail? "

And do you know the answer to this one? "Which of these is a city in Texas?"

74% knows the answer to this question: "Of these, which is NOT a major US city? "

And do you know the answer to this one? "What is the term for a work of art made on a very reduced or small scale?"

48% knows the answer to this question: "What country did Charles de Gaulle become president of after World War II? "

And do you know the answer to this one? "Scotland is the birthplace of what ball and stick sport?"

36% knows the answer to this question: "What is 10% of 500? "

And do you know the answer to this one? "Three feet make one what?"

61% knows the answer to this question: "Which medical condition can cause problems with writing, spelling and reading? "

And do you know the answer to this one? "What word means heartbeats which are suddenly more noticeable?"

53% knows the answer to this question: "Which British monarch assumed the throne in February 1952? "

And do you know the answer to this one? "Which of these world landmarks is not man-made?"

78% knows the answer to this question: "Which British prince was born to Prince William in 2013? "

And do you know the answer to this one? "Who is Mikhail Gorbachev?"

65% knows the answer to this question: "What is another name for a one-time-use camera? "

And do you know the answer to this one? "What famous British painting did American rail mogul Henry Edwards Huntington buy in 1921 for $182,200, much to British outrage?"

48% knows the answer to this question: "What word describes a camera's focusing in on far-away objects? "

And do you know the answer to this one? "I was once in the Beatles and I worked with Kanye West in 2014. Who am I?"

30% knows the answer to this question: "Who released the world's first commercially available microprocessor in 1971? "

And do you know the answer to this one? "What is the technique in which fresh paint is applied over an area where the paint is still wet?"

53% knows the answer to this question: "What was the first name of 1970s US President Ford? "

And do you know the answer to this one? "In what year did Israel become an official country?"