35% knows the answer to this question: "In the news throughout the 90s, with which commodity is OPEC involved? "

And do you know the answer to this one? "What long-standing South African policy was discontinued in 1990?"

77% knows the answer to this question: "Which part of the Sistine Chapel is famously the main focal point? "

And do you know the answer to this one? "Prince William of the UK married whom in 2011?"

63% knows the answer to this question: "Which former Prime Minister of Israel died in 2014? "

And do you know the answer to this one? "What was the name of the rulers of Ancient Egypt?"

86% knows the answer to this question: "How many feet are in 144 inches? "

And do you know the answer to this one? "What would be a 10% tip on a £23.50 restaurant bill?"

68% knows the answer to this question: "Coffee mixed with whiskey and topped with whipped cream is called what? "

And do you know the answer to this one? "Mexico's largest state (by area) shares its name with the world's smallest dog (by breed). What is it?"

76% knows the answer to this question: "What tall African mammal checks out how hot the ladies are by tasting their urine? "

And do you know the answer to this one? "The medical term "phlebitis" is best defined as?"

95% knows the answer to this question: "How many years are there in a century? "

And do you know the answer to this one? "Tequila, grenadine and orange juice make up what drink?"

67% knows the answer to this question: "The phenomenon of the earth's plates pushing violently against each other is known as what? "

And do you know the answer to this one? "Which fiction genre is created from ancient stories passed down through generations?"

88% knows the answer to this question: "Who had the hit 60's song "I'm a Believer" on Colgems? "

And do you know the answer to this one? "What country's revolution arguably began on July 12, 1789, when a lawyer, Camille Desmoulins, stood with a pistol on a table at the Cafe de Foy and shouted, "To arms citizens, to arms!"?"

56% knows the answer to this question: "What does a king cobra use to immobilize and kill its prey? "

And do you know the answer to this one? "Which group of animals is not called a herd?"

93% knows the answer to this question: "What rock band was formed in London in 1970, from the remains of another band called Smile? "

And do you know the answer to this one? "In what Darren Aronofsky ballet movie did Natalie Portman have a sex scene with co-star Mila Kunis?"

43% knows the answer to this question: "What are the colourful parts of a flower called? "

And do you know the answer to this one? "A monkeys is classified as which of these?"