47% knows the answer to this question: "Who was Martin Luther King, Jr.? "

And do you know the answer to this one? "Britain's Stonehenge is called a megalith because it is made of what?"

80% knows the answer to this question: "Which country did Joan of Arc try to set free from English domination? "

And do you know the answer to this one? "Westminster Abbey opened in which European city in 1065 AD?"

41% knows the answer to this question: "In 1950 President Truman approved the construction of what type of bomb? "

And do you know the answer to this one? "Which U.S. state has the postal abbreviation, 'IN'?"

30% knows the answer to this question: "If Ellen is 4 feet 10 inches tall and Rene is 4 feet 6 inches tall, how much taller is Ellen? "

And do you know the answer to this one? "What was the name of the Duke who invaded England in 1066?"

40% knows the answer to this question: "The Champs-Élysées is a famous part of which European city? "

And do you know the answer to this one? "In what US state is Philadelphia located?"

88% knows the answer to this question: "What mineral makes up human bones? "

And do you know the answer to this one? "The definition of "a period of abnormally warm weather in mid to late autumn" best fits which science term?"

64% knows the answer to this question: "An input device that take printouts and translates them into digital code is called what? "

And do you know the answer to this one? "Kingston is the capital of which country?"

30% knows the answer to this question: "What fruity California county was created by two lawyers who took the land to settle a debt? "

And do you know the answer to this one? "What was the name of the Confederate general who surrendered to end the Civil War under Lincoln's regime?"

35% knows the answer to this question: "What fruity California county was created by two lawyers who took the land to settle a debt? "

And do you know the answer to this one? "What was the name of the Confederate general who surrendered to end the Civil War under Lincoln's regime?"

37% knows the answer to this question: "Which of these is not a US state? "

And do you know the answer to this one? "What is the US state capital of Tennessee?"

92% knows the answer to this question: "Where would you most likely enjoy a six-movement dance called a hula? "

And do you know the answer to this one? "Simon & Garfunkel had which hit single in 1968?"

38% 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?"