57% knows the answer to this question: "Before becoming Britain's prime minister, who worked with a voice coach from the National Theater to get her voice pitched 46 hertz lower? "

And do you know the answer to this one? "What can be made from the particles of a dead virus to prevent the disease caused by that virus?"

66% knows the answer to this question: "Why did King Edward VII give up the British throne in 1936? "

And do you know the answer to this one? "A version of which Edvard Munch painting sold for $120 million in 2012?"

43% knows the answer to this question: "Down Under by Men at Work is full of what country's slang, including a "fried-out Kombi" (a VW Microbus) and men who "chunder" (vomit)? "

And do you know the answer to this one? "Which of these continent - country - capital groups is correct?"

31% knows the answer to this question: "What type of eye surgery can correct near-sightedness? "

And do you know the answer to this one? "Which country launched the health care exchange for its Affordable Care Act in 2013?"

58% knows the answer to this question: "Which word is spelled wrong? "

And do you know the answer to this one? "Which word is spelled wrongly?"

56% knows the answer to this question: "What liquid substance, invented in 1926, is added to a car's cooling system? "

And do you know the answer to this one? "In 1989 there was a student rally for democracy in Tiananmen Square, what country is it in?"

54% knows the answer to this question: "If it is 8:45 AM, how many minutes before 10:00 AM is it? "

And do you know the answer to this one? "What is the total of 9 + 2 + 1?"

87% knows the answer to this question: "Solve the following equation: 4 x 5 x 2 = "

And do you know the answer to this one? "There are 36 fish fingers in a pan. Sharing equally, how many each should four people take?"

30% knows the answer to this question: "Which famous golfer has a PlayStation game named after him? "

And do you know the answer to this one? "What country launched Sputnik?"

38% knows the answer to this question: "What do you see here? "

And do you know the answer to this one? "What do you see here? "

50% knows the answer to this question: "What are objects collected for their historical significance called? "

And do you know the answer to this one? "What fruit has a fuzzy brown skin?"

34% knows the answer to this question: "Which word is spelled wrong? "

And do you know the answer to this one? "Which word is spelled wrong?"