86% knows the answer to this question: "The id, the ego, and the super-ego are all defined as part of the psyche according to whom? "

And do you know the answer to this one? "Which of these men led the Soviet Union?"

47% knows the answer to this question: "What is the medical name for housemaid's knee? "

And do you know the answer to this one? "Which of the following historical figures died in 1805?"

80% knows the answer to this question: "What sea of the Atlantic Ocean surrounds Jamaica, Aruba and the Cayman Islands? "

And do you know the answer to this one? "What war, fought between the years of 1675 and 1678, featured an initial attack against Swansea?"

59% knows the answer to this question: "What do vertebrates have that invertebrates do not? "

And do you know the answer to this one? "What is the name of the lower part of a window below the glass?"

77% knows the answer to this question: "What decreases in the body as it ages, causing loss of skin elasticity? "

And do you know the answer to this one? "In French, what is the meaning of the expression 'Bonne chance'?"

94% knows the answer to this question: "Which of the following best relates to a guitarist? "

And do you know the answer to this one? "A scientist that studies the Earth's surface is called what?"

54% knows the answer to this question: "Which singer had the nickname "The Big O"? "

And do you know the answer to this one? "If you win six out of 12 times, what percent do you lose?"

46% knows the answer to this question: "What is the name of the palsy which causes weakness in the face? "

And do you know the answer to this one? "Which part of New York was formerly called Breuckelen?"

46% knows the answer to this question: "What animal lives in the northern Pacific Ocean? "

And do you know the answer to this one? "What word can refer to creme caramel or to an open-topped pie similar to a quiche?"

62% knows the answer to this question: "In what US state can you visit the Everglades? "

And do you know the answer to this one? "What wartime effect led to the shortening of women's skirts in the 1910's?"

79% knows the answer to this question: "Which famous beach is on the Hawaiian island of O'ahu? "

And do you know the answer to this one? "Which of these mammals lays eggs?"

42% knows the answer to this question: "Who wrote the long running play "The Mousetrap"? "

And do you know the answer to this one? "Sophocles Venizelos formed a new government in which country in 1950?"