38% knows the answer to this question: "What is 25 less than the product of 10 & 20? "

And do you know the answer to this one? "If 50% of my dogs are white, 30% are brown and the remaining two are black, how many dogs do I own?"

31% knows the answer to this question: "What song has the line, "I'm gonna put it on, I put it on already"? "

And do you know the answer to this one? "Before moving to the new Opryland USA theme park in 1974, the Grand Ol' Opry has spent more than 30 years at the Ryman Auditorium in what city's downtown?"

43% knows the answer to this question: "In which of these locations in Egypt were a large number of tombs excavated? "

And do you know the answer to this one? "What was the capital of the ancient nation of Babylonia?"

71% knows the answer to this question: "In the Treaty of Guadalupe Hidalgo, the US paid $15 million for 525,000 square miles of what country's territory? "

And do you know the answer to this one? "In January 1777, Delaware's Thomas McKean became the very last to person sign what document?"

34% knows the answer to this question: "After a plan to become indentured servants fell through, we sold butter, took on extra passengers and, instead of hiring a proper captain, we made do with a ship's master named Christopher Jones. What galleon was this? "

And do you know the answer to this one? "In what country was papyrus invented?"

90% knows the answer to this question: "In 1953, there were nearly 9000 cases of this disease. Two years later, Dr Jonas Salk's vaccine was being used to fight it. What is the disease? "

And do you know the answer to this one? "Who refused to give up his or her bus seat to make room for a white passenger on December 1, 1955?"

85% knows the answer to this question: "Cork is what country's second largest city? "

And do you know the answer to this one? "On what continent would you hike through the Andes, the world's longest mountain range?"

63% knows the answer to this question: "Tanqueray, Squires and Bombay are among the most famous brands of what booze? "

And do you know the answer to this one? "Enoki, also called enokitake, are long, thin white mushrooms most closely associated with what cuisine's soups?"

89% knows the answer to this question: "Which of the following is a correct Roman numeral in the most common system of Roman numerals? "

And do you know the answer to this one? "What are you most likely to do after swallowing a diuretic?"

71% knows the answer to this question: "During which civil war did the battle of 'Fort Macon' take place? "

And do you know the answer to this one? "What city provided the setting for "Slumdog Millionaire"?"

88% knows the answer to this question: "Conspiracy fantasists insist that the depiction of John in what painting is actually an image of Mary Magdalene? "

And do you know the answer to this one? "Which of the following art styles emphasizes a simplicity of form and content?"

69% knows the answer to this question: "Who became the supreme leader of North Korea on 28 December 2011? "

And do you know the answer to this one? "In 2009, we learned that what gem is actually the third hardest substance in nature, behind wurtzite boron nitride and lonsdaleite?"