53% knows the answer to this question: "What is it called when one thing covers part of something else? "

And do you know the answer to this one? "Although most popular in Michigan, what hot dog topped with chili, onions and mustard is named for a New York City neighbourhood?"

89% knows the answer to this question: "What was the nickname of President Gerald Ford? "

And do you know the answer to this one? "Who said, "When I was young I could draw like Raphael, but it has taken me my whole life to learn to draw like a child"?"

31% knows the answer to this question: "What word was used to describe the side of the UK, America and Russia in WW2? "

And do you know the answer to this one? "Akihito became Emperor of which country in 1989?"

41% knows the answer to this question: "Who was Florence Nightingale? "

And do you know the answer to this one? "Which of these was the "Lusitania"?"

67% knows the answer to this question: "The United Nations approved a series of sanctions against which country in 2013? "

And do you know the answer to this one? "In the canonical version of the Trojan War, the Greeks created a giant wooden what?"

30% knows the answer to this question: "What continent did most of the fighting take place in World War I? "

And do you know the answer to this one? "How did Cleopatra commit suicide, according to legend?"

67% knows the answer to this question: "In 2014, scientists first converted normal cells into what kind of cells? "

And do you know the answer to this one? "The U.S. invaded Afghanistan in 2001 to topple what government?"

58% knows the answer to this question: "People of the Maasai tribe of Kenya traditionally make jewellery and pierce what body parts? "

And do you know the answer to this one? "Born in what is now in West Virginia, what nickname did Thomas Jonathan Jackson acquire at Bull Run?"

77% knows the answer to this question: "What caused the Great Famine that struck Ireland in 1845? "

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?"

80% knows the answer to this question: "TV soap opera "Dynasty" was first shown in which decade? "

And do you know the answer to this one? "In which country was Adolf Hitler born?"

31% knows the answer to this question: "Which 1935 New Deal program provided disabled and elderly people with monthly payments? "

And do you know the answer to this one? "Who ruled as Soviet dictator from 1924 until 1953?"

84% knows the answer to this question: "King Hussein of which country died in January 1999? "

And do you know the answer to this one? "What was the name of the symbols used in Ancient Egypt for writing?"