75% knows the answer to this question: "Where would you find a Pullman sleeping car? "

And do you know the answer to this one? "What is the name of a formal living room in a house?"

66% knows the answer to this question: "Hadrian's Wall was build in which country in 122 AD? "

And do you know the answer to this one? "In 2006, Muhammad Yunus and the Grameen Bank were jointly awarded what prize?"

68% knows the answer to this question: "In what Broadway show, with music by Marvin Hamlisch, does a director named Zach select a new chorus line from among 18 Broadway gypsies? "

And do you know the answer to this one? "What singer-songwriter duo sings: "Oh, Cecilia, I'm down on my knees - I'm begging you please to come home"?"

38% knows the answer to this question: "Breathing through a tube that touches the surface while swimming is known as what? "

And do you know the answer to this one? "The ancient Egyptians used a system of writing using symbols or pictures called what?"

36% knows the answer to this question: "What did the vegetarian Abrosaurus eat? "

And do you know the answer to this one? "What is the house number on Downing Street of the home of the British Prime Minister?"

60% knows the answer to this question: "Hodgkin lymphoma is a type of which disease? "

And do you know the answer to this one? "With which of these industries would you associate the brand "Lufthansa"?"

91% knows the answer to this question: "If your mom has hazel eyes, what color would they be? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"

59% knows the answer to this question: "Which country's parliament removed Viktor Yanukovych as President in 2014? "

And do you know the answer to this one? "You can find the Wailing Wall at which location?"

85% knows the answer to this question: "What did medieval knights wear into battle to protect themselves from injury? "

And do you know the answer to this one? "Where was The Beatles' home town?"

78% knows the answer to this question: "What is one of the main crops grown in Vietnam? "

And do you know the answer to this one? "In 2013, Hassan Rouhani became the new President of which country?"

58% knows the answer to this question: "What was the name of the first atomic powered submarine? "

And do you know the answer to this one? "Francois Hollande became the President of which country in 2012?"

36% knows the answer to this question: "An examination of the chest and its contents by X-ray is commonly known as what? "

And do you know the answer to this one? "Despite being a better runner than a flyer, what bird ends up in pear trees every Christmas?"