69% 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 ______'"

37% 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"?"

56% 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 terms refers to a nerve cell?"

30% knows the answer to this question: "Which state is ranked 1st in water area with 86,051 square miles? "

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

70% knows the answer to this question: "Algebra is a branch of what field of study? "

And do you know the answer to this one? "Which "K" is the highest peak in Africa?"

49% 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?"

45% 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?"

78% knows the answer to this question: "On the banks of which river was the civilization of the ancient Egyptians born? "

And do you know the answer to this one? "Who did Prince Charles marry in 1981?"

81% 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?"

73% 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"?"

82% knows the answer to this question: "What is the name for a small storeroom for storing foods or wines? "

And do you know the answer to this one? "What is the small stick used to hold foods together while grilling called?"

81% knows the answer to this question: "Who was Alexander Graham Bell? "

And do you know the answer to this one? "Who was Benjamin Franklin?"