83% knows the answer to this question: "Aerobic exercise increases what? "

And do you know the answer to this one? "What part of your body helps you keep your balance?"

85% knows the answer to this question: "Which of these is a liquid? "

And do you know the answer to this one? "What does a conductor use to control the orchestra?"

66% knows the answer to this question: "Which of these continent - country - capital groups is correct? "

And do you know the answer to this one? "Louis Armstrong is well-known for playing which instrument?"

67% knows the answer to this question: "What word means to narrate something? "

And do you know the answer to this one? "Which word means inhaling and exhaling?"

86% knows the answer to this question: "What is a condition of an airplane or an airfoil in which lift decreases and drag increases? "

And do you know the answer to this one? "In which ocean does Madagascar lie?"

34% knows the answer to this question: "What animal is a meat-eating, freshwater fish? "

And do you know the answer to this one? "Released in 2002 by iRobot, the Roomba was a round, flat robot. What did it do?"

44% knows the answer to this question: "Which of the Great Lakes is the only one named for a US state? "

And do you know the answer to this one? "In what movie does Harrison Ford take on a role David Janssen had played on TV?"

90% knows the answer to this question: "What is damage to the brain called, in a medical context? "

And do you know the answer to this one? "A buck, or male deer, is also called a what?"

41% knows the answer to this question: "Which scientific term means "a small body of water"? "

And do you know the answer to this one? "What did a whitewasher use in his work?"

91% knows the answer to this question: "What people in ancient Peru referred to their empire as Tawantinsuyu, which means "the four regions"? "

And do you know the answer to this one? "In which year did Soviet troops liberate prisoners of Auschwitz?"

71% knows the answer to this question: "Who sang the famous song Sgt. Pepper's Lonely Hearts Club Band (1967)? "

And do you know the answer to this one? "Who sang the famous song California Dreamin (1966)? "

57% knows the answer to this question: "What happen in Tiananmen Square in 1989? "

And do you know the answer to this one? "What John Travolta film is about a dancer trying to make it on the Broadway stage?"