41% knows the answer to this question: "What kind of window protrudes from the exterior wall of a room? "

And do you know the answer to this one? "Which American actress starred in three Hitchcock thrillers before pursuing a royal life?"

41% knows the answer to this question: "What helps reduce tooth decay? "

And do you know the answer to this one? "What is the correct term for the inflammation of one's gums? "

40% knows the answer to this question: "What do you call the area of land that lies next to an ocean? "

And do you know the answer to this one? "The Louvre is located in what country?"

32% knows the answer to this question: "What city is served by Heathrow Airport? "

And do you know the answer to this one? "Because they are aware of their size and power, Irish Wolfhounds are particularly good around what?"

54% knows the answer to this question: "What animal is a large, tree-dwelling ape? "

And do you know the answer to this one? "Who was Harry S. Truman?"

62% knows the answer to this question: "If instructions said K1, P1, K2tog, what would you be doing? "

And do you know the answer to this one? "How many years are there in a century?"

48% knows the answer to this question: "What singer/dancer insured both his legs (for $75,000) and both his arms (for $20,000)? "

And do you know the answer to this one? "What does the phrase "Hasta la vista", said by the Terminator in the movie of that name, mean?"

46% knows the answer to this question: "What is used to lift a mattress and box spring off the ground? "

And do you know the answer to this one? "Who did "Prince Charming" awaken with a kiss after she was fed a poisonous apple?"

45% 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 process does a starfish use to grow a new organism when it is cut into pieces?"

62% knows the answer to this question: "What do we call the system that stops malicious content entering a computer? "

And do you know the answer to this one? "Sushi is a food associated with which country?"

74% knows the answer to this question: "Although he actually died of cancer, Karmuala Searlel was supposedly mauled to death by elephants in 1920 while playing what character? "

And do you know the answer to this one? "Which symbol means that the quantities on both sides of it are the same?"

35% knows the answer to this question: "In Africa and Arabia you have addaxes, impalas, gazelles, duikers, springboks, black bucks, oryxes and gnus. What are they? "

And do you know the answer to this one? "What was the head of state in Iran called before the revolution of 1979?"