79% knows the answer to this question: "Vincent van Gogh's later self-portraits featured bandages, due to his having cut what off? "

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

42% knows the answer to this question: "What word completes the rhyme "There once was a man from Beijing/All his life he had hoped to be"? "

And do you know the answer to this one? "On what planet did the NASA space probe Pathfinder land in July 1997?"

70% knows the answer to this question: "Johannesburg is what country's largest city? "

And do you know the answer to this one? "Digits are another name for which part of the body? "

90% knows the answer to this question: "What medical word refers to the heart? "

And do you know the answer to this one? "Which of the following seafood animals is known for swimming upstream?"

50% knows the answer to this question: "What determines how loud or soft a sound is? "

And do you know the answer to this one? "On which continent is the Hindu Kush mountain range?"

80% knows the answer to this question: "What dog breed is featured as a game piece in the game "Monopoly"? "

And do you know the answer to this one? "Which jazz giant vanished over the English Channel while director of the US Air Force Band during World War II?"

47% knows the answer to this question: "Who sang the famous song "Fernando" (1975) ? "

And do you know the answer to this one? "Who sang the famous song "Band On The Run" (1974)"

73% knows the answer to this question: "Van Gogh cut off what body part and sent it to Rachel, a prostitute who didn't like his work? "

And do you know the answer to this one? "Who sang the famous song "Uptown Girl" (1983)? "

51% knows the answer to this question: "What does the "MTV" acronym mean? "

And do you know the answer to this one? "Which of these singers died in 2009?"

94% knows the answer to this question: "The name of which sea translates to Middle Land? "

And do you know the answer to this one? "Chiles rellenos is a food item of what type of cuisine?"

43% knows the answer to this question: "Who made $70 million when he gave up his salary in exchange for a percentage of the back end of Forrest Gump? "

And do you know the answer to this one? "Bette Davis, who'd been a Southern belle in Jezebel, passed on what role when she thought Errol Flynn would play Rhett Butler?"

36% knows the answer to this question: "In which natural environment are 'dunes' found? "

And do you know the answer to this one? "Which of these men was not a musician during the 1950s?"