59% knows the answer to this question: "What is any picture of an object made with a mirror or lens called? "

And do you know the answer to this one? "What is the name of the part of government that actually produces money?"

49% knows the answer to this question: "What is the piece of metal on a bridle that goes into the horse's mouth? "

And do you know the answer to this one? "The sharp angles and vivid hues Pablo Picasso painted were inspired by tribal masks from where?"

48% knows the answer to this question: "What did you see over _? "

And do you know the answer to this one? "Pick the correct sentence"

83% knows the answer to this question: "Which country was placed under an international oil embargo in 2012? "

And do you know the answer to this one? "Which of these was a name commonly given to the 1920s?"

73% knows the answer to this question: "President Harry Truman ordered the atomic bombing of which two Japanese cities? "

And do you know the answer to this one? "Which of the following was Jacques Cousteau best known as being?"

87% knows the answer to this question: "Which part of a pool keeps the water free of trash? "

And do you know the answer to this one? "What 1905 business in Pittsburgh, Pennsylvania, was originally known as a "nickelodeon"?"

42% knows the answer to this question: "What is used to make hummus? "

And do you know the answer to this one? "What Kentucky town sits on an $11 billion gold mine?"

41% knows the answer to this question: "Another term for rubella is which type of measles? "

And do you know the answer to this one? "Massive swarms of which insect regularly decimate the crops of Africa and the Middle East?"

75% knows the answer to this question: "What is long-running singer Ms Springfield's first name? "

And do you know the answer to this one? "Oil, coal and natural gas are known as what?"

70% knows the answer to this question: "What is the world's highest mountain? "

And do you know the answer to this one? "What food gets its name from the Hungarian herdsmen who used to eat it?"

42% knows the answer to this question: "Simon & Garfunkel had which hit single in 1968? "

And do you know the answer to this one? "Where would you most likely enjoy a six-movement dance called a hula?"

79% knows the answer to this question: "Which of these is not a US state? "

And do you know the answer to this one? "Which famous dance is also the name of West Virginia's capital?"