94% knows the answer to this question: "Kolkata used to be called Calcutta. Where is it? "

And do you know the answer to this one? "What sort of ships are the Vikings famously known to have used?"

70% knows the answer to this question: "What pink birds are known for standing on one leg, possibly to conserve heat, possibly because only half of its brain sleeps at any one time? "

And do you know the answer to this one? "Which former French president led the Free French Forces during World War II?"

90% knows the answer to this question: "Green is created by blending what two colors? "

And do you know the answer to this one? "What is the only country in the world to have Latin as an official language?"

31% knows the answer to this question: "Which animal has mask-like markings on its face and a ringed tail? "

And do you know the answer to this one? "What department was established in the 1830s as a branch of the Office of the Commissioner of Patents, to distribute new seeds and plants?"

56% knows the answer to this question: "If four people are dealt five cards each from a deck of 52 cards, how many cards are left over? "

And do you know the answer to this one? "Raúl Alfonsín was the leader of which country in the 80s?"

50% knows the answer to this question: "What is the historic Slavic title of a Russian, Bulgarian or Serbian monarch? "

And do you know the answer to this one? "What was the name of the Spanish fleet sent to invade England in 1588?"

63% knows the answer to this question: "In which century was former US President Dwight Eisenhower born? "

And do you know the answer to this one? "Which country led the Mayflower to America?"

68% knows the answer to this question: "What is the name of the American newspaper heiress who was kidnapped by the Symbionese Liberation Army, an urban militant group she later joined, in 1974? "

And do you know the answer to this one? "Which form of transportation was invented first?"

92% knows the answer to this question: "The plumage? Lovely. But what pheasant family member also attracts mates with an ear-splitting scream? "

And do you know the answer to this one? "A Southeast Asian animal called the binturong, aka the Asian bearcat, smells like it belongs in a movie theatre. What does it smell like?"

54% knows the answer to this question: "Who sang the famous song "She's Always A Woman To Me" (1978) ? "

And do you know the answer to this one? "From 1963 to 1973, what did the Board of Geographic Names call Cape Canaveral?"

39% knows the answer to this question: "Which of the Great Lakes is the only one named for a US state? "

And do you know the answer to this one? "Tourists often kiss what famous stone in Ireland?"

74% knows the answer to this question: "By definition, what produces a sonic boom? "

And do you know the answer to this one? "What herbal remedy is so named because it blooms around June 24, which is a saint's feast day?"