86% knows the answer to this question: "The Blarney Stone is a tourist attraction in which country? "

And do you know the answer to this one? "Ricotta, halloumi and mascarpone are types of what?"

48% knows the answer to this question: "Who rejected chances to play Popeye Doyle and Dirty Harry because he had played a similar character in Bullitt? "

And do you know the answer to this one? "What were slaves called in ancient Sparta?"

92% knows the answer to this question: "Which famous Renaissance painting by Leonardo da Vinci is known for its subject's mysterious smile? "

And do you know the answer to this one? "What is the light that comes from behind a subject in a work of art called?"

75% knows the answer to this question: "On the cover of which album are The Beatles walking across a road? "

And do you know the answer to this one? "Which country is north of England?"

79% knows the answer to this question: "What is the name given to a repetitious design? "

And do you know the answer to this one? "Which island has a 3-legged symbol on its flag?"

57% knows the answer to this question: "Liverpool is a city in which European country? "

And do you know the answer to this one? "In what US is the island of Manhattan located?"

90% knows the answer to this question: "I'm an actor who plays Iron Man in a host of Marvel movies. Who am I? "

And do you know the answer to this one? "What is located at 263 Prinsengracht in Amsterdam?"

47% knows the answer to this question: "The Matterhorn is a mountain on the border of Italy and what other country? "

And do you know the answer to this one? "In which 2001 movie did David Spade play the character Joe Dirt?"

41% knows the answer to this question: "Which of these countries is long and thin in shape? "

And do you know the answer to this one? "Which town did the Romans refer to as Aquae Sulis?"

54% knows the answer to this question: "Which fictitious creature created by Dr. Seuss is said to have stolen Christmas? "

And do you know the answer to this one? "What is rock star Neil's last name?"

83% knows the answer to this question: "What heart operation can be a triple or a quadruple? "

And do you know the answer to this one? "What are soldiers who fight on horseback?"

39% knows the answer to this question: "Eleven percent of what island country is covered by glaciers? "

And do you know the answer to this one? "What is the female star of an opera called?"