56% knows the answer to this question: "What nationality was Yoko Ono, who married John Lennon in 1969? "

And do you know the answer to this one? "Which city is a key town for the Muslim, Jewish and Christian faiths?"

61% knows the answer to this question: "What are whale nostrils called? "

And do you know the answer to this one? "What country's symbols include the sakura (cherry blossom) and the kiji (pheasant)?"

75% knows the answer to this question: "Which Italian city was destroyed when Mount Vesuvius erupted? "

And do you know the answer to this one? "What famous record company did Gladys Knight and the Pips join in 1966?"

88% knows the answer to this question: "The common prefix "therma" comes from a Greek city known for what? "

And do you know the answer to this one? "Removing lumps from liquid by passing through paper or cheesecloth is called what?"

52% knows the answer to this question: "Where did Napoleon Bonaparte suffer his last defeat? "

And do you know the answer to this one? "How many chambers does a human heart have?"

84% knows the answer to this question: "What part of the microscope do you look through to see specimens? "

And do you know the answer to this one? "Which company invented Nylon?"

43% knows the answer to this question: "Who wore an eye patch in the movie 'True Grit'? "

And do you know the answer to this one? "Which newly-opened landmark did President Theodore Roosevelt sail to in 1906?"

85% knows the answer to this question: "What kind of medical condition continues for a long time? "

And do you know the answer to this one? "Which famous rock star was killed in New York City on December 8, 1980?"

41% knows the answer to this question: "The US state of Florida and the Australian state of Queensland share what nickname? "

And do you know the answer to this one? "What movie included a famous scene of Deborah Kerr and Burt Lancaster rolling around on Halona Beach Cove, kissing as the waves swept over them?"

42% knows the answer to this question: "The Spanish Inquisition took place in what country? "

And do you know the answer to this one? "What device controls temperature with a switch?"

60% knows the answer to this question: "What is the name for leather with a napped, fuzzy finish? "

And do you know the answer to this one? "Who shot his scenes for Die Hard at night, because he was literally moonlighting from his TV show Moonlighting?"

64% knows the answer to this question: "What device consists of one or more cells that produce direct current? "

And do you know the answer to this one? "The Tamils are a minority in India, as well as in what Sinhalese island nation to India's south?"