62% knows the answer to this question: "Which English castle was restored at the end of 1997 at a cost of £37 million? "

And do you know the answer to this one? "A January 1973 ceasefire ended American participation in what nation's war?"

48% knows the answer to this question: "What dog is the most popular to race? "

And do you know the answer to this one? "Which South American canal shares its name with a hat?"

67% knows the answer to this question: "Which of these leaders served as Lord Protector of England, Scotland, and Ireland in the 17th century? "

And do you know the answer to this one? "What is the name for the 200-year period of relative peace and prosperity which began with Augustus?"

59% knows the answer to this question: "Who was a framer of the postwar Treaty of Versailles? "

And do you know the answer to this one? "Hussein bin Ali had been king of Hejaz until it was annexed by the ibn Saud family into the Kingdom of Hejaz and Nejd, which now has what name?"

35% knows the answer to this question: "Where is the Sicilian Mafia based? "

And do you know the answer to this one? "What is all the knowledge and values shared by a society?"

53% knows the answer to this question: "Central Park is a famous park in which US city? "

And do you know the answer to this one? "In the US, in which season do deciduous trees shed most of their leaves?"

90% knows the answer to this question: "Which of these is a parasitic relationship? "

And do you know the answer to this one? "A waterway called the Serpentine separates Hyde Park and Kensington Gardens in what city?"

68% knows the answer to this question: "What form of currency is used in Italy? "

And do you know the answer to this one? "Which village is considered an 'arty' district of New York city?"

65% knows the answer to this question: "In what US state can you visit the Alamo? "

And do you know the answer to this one? "If you are getting rid of a disease, what are you doing to it?"

84% knows the answer to this question: "An artist who portrays a picture of a night scene is drawing what style of picture? "

And do you know the answer to this one? "Which music term matches "a soprano with a spinto voice"?"

53% knows the answer to this question: "What is the name of the spice that grows as a tall, tropical green grass with a lemony taste? "

And do you know the answer to this one? "A corn dog is a hot dog. The corn part comes from a batter made from what food?"

81% knows the answer to this question: "Who recorded the 1973 album 'Goodbye Yellow Brick Road'? "

And do you know the answer to this one? "Which band were No.1 at the start of 1965, and again at the end of the year?"