86% knows the answer to this question: "What nickname for New York City was popularized in the 1920s columns by John J FitzGerald? "

And do you know the answer to this one? "What is Turkey's most populous city as well as its cultural and financial hub?"

66% 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? "Which of these was a name commonly given to the 1920s?"

53% knows the answer to this question: "Which of these men led the Soviet Union? "

And do you know the answer to this one? "What is the practice of cultivating the land or raising livestock?"

41% knows the answer to this question: "Who had a 70s hit with "You're so Vain"? "

And do you know the answer to this one? "What is the capital city of Angola, and the country's most populous and important city?"

39% knows the answer to this question: "What were trade associations formed in medieval towns called? "

And do you know the answer to this one? "What year was the transistor invented?"

41% knows the answer to this question: "Which country launched Rising Star I, its first satellite? "

And do you know the answer to this one? "Which company made the famous Chopper bike in 1969?"

68% knows the answer to this question: "Who sang the famous song "Penny Lane" (1967) "

And do you know the answer to this one? "In addition to mucus, what helps your nose filter out germs and dirt?"

46% knows the answer to this question: "Which "I" has the Star of David on its national flag? "

And do you know the answer to this one? "What branch of medicine looks at removed tissue or a whole dead body?"

35% knows the answer to this question: "Where has a vehicle with OX at the start of its number plate been registered? "

And do you know the answer to this one? "Which US prison famously housed the 'Birdman'?"

84% knows the answer to this question: "What was the world's largest city in 7000 BC? "

And do you know the answer to this one? "In the early 1950's, what beachwear staple was banned from the Miss World contest?"

67% knows the answer to this question: "My Favorite Things' and 'Edelweiss' are songs from which musical? "

And do you know the answer to this one? "What music genre is most often associated with Snoop Dogg?"

34% knows the answer to this question: "Who was Zeus' brother? "

And do you know the answer to this one? "In which year did Katherine Walker die?"