47% knows the answer to this question: "Kolkata used to be called Calcutta. Where is it? "

And do you know the answer to this one? "From what decade is "The Twist" performed by Chubby Checker"

49% knows the answer to this question: "What is the watering of land by artificial means called? "

And do you know the answer to this one? "What "pirate of the Caribbean" has a cove of his own, having bought Little Hall's Pond Cay in the Bahamas?"

89% knows the answer to this question: "Which sentence is correct? "

And do you know the answer to this one? "If you are arguing the merits of the Red Delicious and the Valencia, what are you literally doing?"

87% knows the answer to this question: "In which capital city would you find the Louvre? "

And do you know the answer to this one? "What year was the dictator Fidel Castro born?"

56% knows the answer to this question: "Which of these is a form of computer virus? "

And do you know the answer to this one? "Which food is in the vegetables group?"

95% knows the answer to this question: "Which former First Lady died in 1994, 31 years after her husband was assassinated? "

And do you know the answer to this one? "What were the first names of Franklin Roosevelt's wife?"

63% knows the answer to this question: "In which country is Euro Disney located? "

And do you know the answer to this one? "A vampire in Gilroy, California, is going to be really unhappy. For what product is the place famous?"

79% knows the answer to this question: "Cognac is a type of which liquor? "

And do you know the answer to this one? "Which animal provides the majority of the world's milk supply?"

63% knows the answer to this question: "Which country is also known as Holland? "

And do you know the answer to this one? "Which country is also known as Eire?"

75% knows the answer to this question: "An aqueduct is an ancient type of bridge that transports what? "

And do you know the answer to this one? "Who became the leader of North Korea after his father died on 17 December 2011?"

76% knows the answer to this question: "The Rocky Mountains are in which continent? "

And do you know the answer to this one? "Where did the IRA declare a cease fire in 1994?"

82% knows the answer to this question: "What was the name of the American inventor who is regarded as the inventor of the light bulb, alongside Sir Joseph Swan? "

And do you know the answer to this one? "Which movie is about an elderly Jewish woman and her African-American chauffeur?"