67% knows the answer to this question: "Which wall was the physical manifestation of Europe's 'Iron Curtain'? "

And do you know the answer to this one? "What is 10% of 500?"

47% knows the answer to this question: "Where can you find Bengali as the official language other than India and Bangladesh? "

And do you know the answer to this one? "What animal is a large North American bird that honks?"

72% knows the answer to this question: "Which of these dogs was raised for dog fighting? "

And do you know the answer to this one? "Beluga, ossetra and sevruga caviar come from what fish?"

62% knows the answer to this question: "Time and ... wait for no man "

And do you know the answer to this one? "Music has charms to soothe the ... beast"

49% knows the answer to this question: "Which of these words can be defined as to "climb upward"? "

And do you know the answer to this one? "Who did "Simple Simon" meet when he went to the fair?"

82% knows the answer to this question: "How many eggs in 2 dozen? "

And do you know the answer to this one? "What is the capital of Thailand?"

60% knows the answer to this question: "What crustacean can attach to other animals or rocks? "

And do you know the answer to this one? "What is the amount of money you have to pay for an item called?"

51% knows the answer to this question: "Where was 50s drama Adventures in Paradise set? "

And do you know the answer to this one? "Which of these animals is a rodent that lives in the Andes mountains?"

31% knows the answer to this question: "In what century did Winston Churchill lead the United Kingdom? "

And do you know the answer to this one? "What American federal prison was located on an island in San Francisco Bay?"

82% knows the answer to this question: "Who sang the famous song "Cocktails for Two" (1944)? "

And do you know the answer to this one? "Who sang the famous song "St James Infirmary Blues" (1928)?"

36% knows the answer to this question: "What is the name of the two-kilometer-long Parisian avenue that runs from Place de la Concorde to Place Charles de Gaulle? "

And do you know the answer to this one? "Who directed 1954 hit movie "Rear Window"?"

38% knows the answer to this question: "Which of these is not a root we eat? "

And do you know the answer to this one? "Which screen idol died in 1955, having only starred in three films?"