37% knows the answer to this question: "What 1952 invention is classified as a "ptical machine-readable representation of data" on a product? "

And do you know the answer to this one? "What expensive precious metal is a major South African export?"

42% knows the answer to this question: "In "Charlotte's Web", what type of animal is Charlotte? "

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?"

32% knows the answer to this question: "Which British city was once a Roman spa town? "

And do you know the answer to this one? "A small horseshoe-shaped body of water along a coast is known as a what?"

37% knows the answer to this question: "Which two numbers add up to a sum greater than 1,000? "

And do you know the answer to this one? "How many feet are equal to 8 yards?"

37% knows the answer to this question: "Mudlarks were people who scavenged for a living by which geographical features? "

And do you know the answer to this one? "Best known for samba and the bossanova, what country also gave us choro, sertanejo, brega, frevo, samba, maracatu, bossa nova, MPB, ax?, forro and tropicalismo?"

91% knows the answer to this question: "Which of the following is a reptile? "

And do you know the answer to this one? "The Millennium Stadium is in which city?"

84% knows the answer to this question: "In 1892, Rudolf Diesel was credited with which invention/discovery? "

And do you know the answer to this one? "This animal first domesticated the Egyptians in about 2100 BC, and the Egyptians revered them so much that you could be put to death for killing one. What animal is this?"

67% knows the answer to this question: "Who sang the famous song "White Christmas" (1947)? "

And do you know the answer to this one? "Who sang the famous song "Managua, Nicaragua" (1946)?"

49% knows the answer to this question: "What Dutch Post-Impressionist artist cut off his left ear with a razor in 1888? "

And do you know the answer to this one? "Which word describes a painting of water?"

40% knows the answer to this question: "Who got into Guinness for his record 15 roles in the film Chinese Zodiak, including director, producer, actor, fight choreographer and composer? "

And do you know the answer to this one? "High blood pressure is also known as what?"

95% knows the answer to this question: "Which Asian country landed a rover on the Moon in 2013? "

And do you know the answer to this one? "Before the introduction of the Euro, what was Italy's currency?"

36% knows the answer to this question: "In 2013, China announced an air defense zone that overlapped with that of what country? "

And do you know the answer to this one? "I have red hair, I married a handsome Cuban and am considered TV royalty, who am I?"