58% knows the answer to this question: "Which 1960's sitcom featured Jed, his mother-in-law Granny and neighbors called the Drysdales? "

And do you know the answer to this one? "Which of these is not one of the United States of America?"

90% knows the answer to this question: "The Titanic sank in what year? "

And do you know the answer to this one? "Which of these substances is NOT metallic?"

77% knows the answer to this question: "As of 2013, the tallest building in the world, the Burj Khalifa, is in which country? "

And do you know the answer to this one? "Which is the longest river wholly in England?"

86% knows the answer to this question: "What is an eighth of 400? "

And do you know the answer to this one? "What is 96 divided by 3?"

30% knows the answer to this question: "Who sang the famous song And The Wind Cries Mary (live Monterrey 1967) (1967)? "

And do you know the answer to this one? "The Central African Republic shares its southern border with what nation?"

36% knows the answer to this question: "Who founded the Mongol Empire and became one of the most feared conquerors of all time? "

And do you know the answer to this one? "What is 29 times 5?"

47% knows the answer to this question: "What is the name of London's busiest airport? "

And do you know the answer to this one? "Who was US President between 1945-1953?"

66% knows the answer to this question: "What country borders the United States along the U.S.'s southern border? "

And do you know the answer to this one? "If you order a wine in a French restaurant, how will it probably be served?"

66% knows the answer to this question: "What 1980 movie included the characters named Otis and Superman/Clark Kent? "

And do you know the answer to this one? "Which of these continent - country - capital groups is correct?"

68% knows the answer to this question: "What type of fish can be Brown, Speckled or Rainbow? "

And do you know the answer to this one? "What is a slang term for tornado?"

40% knows the answer to this question: "What comes before Pistols for the name of an iconic 1970s punk group? "

And do you know the answer to this one? "Which of the following animals might a heron eat?"

47% knows the answer to this question: "Which country was placed under an international oil embargo in 2012? "

And do you know the answer to this one? "What is the name of the first smartwatch?"