50% knows the answer to this question: "Who built the Ark? "

And do you know the answer to this one? "Who was the first man?"

55% knows the answer to this question: "The London Underground is better known as what to Londoners? "

And do you know the answer to this one? "Who sang the song, "Hello"?"

91% knows the answer to this question: "The Eurotunnel links the UK with which country? "

And do you know the answer to this one? "Who sang the famous song "You Don't Bring Me Flowers" (1978) ?"

40% knows the answer to this question: "Finish this line of The Beatles lyrics: "Let me take you down - 'Cause I'm going to ___________". "

And do you know the answer to this one? "What bird, which shares its name with some Atlantic islands, did coal miners use to detect dangerous gases?"

65% knows the answer to this question: "What is another name for the voice box? "

And do you know the answer to this one? "Complete the name of this famous person - Coco _____"

37% knows the answer to this question: "What was the title of the 1961 #1 hit by Del Shannon? "

And do you know the answer to this one? "Exactly what color was T-Rex?"

58% knows the answer to this question: "What Roman town was destroyed by the eruption of Mt. Vesuvius? "

And do you know the answer to this one? "What was the most famous checkpoint in Berlin, established after World War II?"

39% knows the answer to this question: "What was Davy Crockett trying to defend when he was killed in 1836? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"

73% knows the answer to this question: "Napa Valley is a wine region in which state? "

And do you know the answer to this one? "Malcolm Little was better known under which name in the 1960s?"

52% knows the answer to this question: "Dustin Hoffman won the Best Actor Oscar for his role in which 1988 movie? "

And do you know the answer to this one? "Didelphis virginiana doesn't hang by its tail and doesn't so much play dead as it goes into a coma when threatened. What is it?"

31% knows the answer to this question: "What number is 4 times the sum of 2 + 2? "

And do you know the answer to this one? "If a store had $3000 in expenses and $4100 in revenue this month, what is the profit for the month?"

38% knows the answer to this question: "You can find the Mediterranean Sea at which location? "

And do you know the answer to this one? "What is the world's highest mountain? "