56% knows the answer to this question: "Aerobic exercise increases what? "

And do you know the answer to this one? "Raja Ravi Varma, known for his paintings of Hindu mythology, has been called the father of what country's painting?"

43% knows the answer to this question: "What world leader was nicknamed "The Iron Lady"? "

And do you know the answer to this one? "Complete the name of the this famous landmark in London 'Madame ______'"

69% knows the answer to this question: "What famous motorcycle company calls Milwaukee, Wisconsin home? "

And do you know the answer to this one? "Which '60's TV show was Cher on when the host introduced her as "Chur"?"

68% knows the answer to this question: "What medical word refers to the heart? "

And do you know the answer to this one? "What is the medical term for gas produced in the bowel?"

67% knows the answer to this question: "On what TV drama first aired in 2004 will you find "The Others" and the survivors of Flight 815? "

And do you know the answer to this one? "What was the first four-wheel drive vehicle?"

57% knows the answer to this question: "Spaghetti and pizza are foods originating from which country? "

And do you know the answer to this one? "What can you make from two empty toilet paper tubes to use for bird watching?"

83% knows the answer to this question: "Which "K" is the highest peak in Africa? "

And do you know the answer to this one? "Algebra is a branch of what field of study?"

73% knows the answer to this question: "What sort of features are the Kalahari and the Sahara? "

And do you know the answer to this one? "Which South African leader died in 2013?"

95% knows the answer to this question: "What is the name of Leonardo da Vinci's famous painting? "

And do you know the answer to this one? "What was Napoleon's last name?"

87% knows the answer to this question: "Who did Prince Charles marry in 1981? "

And do you know the answer to this one? "On the banks of which river was the civilization of the ancient Egyptians born?"

90% knows the answer to this question: "What is a public showing of artwork called? "

And do you know the answer to this one? "Assessed for insurance purposes at $100 million on December 14, 1962, what does Guinness call the world's most valuable painting?"

45% knows the answer to this question: "Who played the leading character Forrest Gump in "Forrest Gump"? "

And do you know the answer to this one? "Who played Jack Dawson in "The Titanic"?"