70% knows the answer to this question: "What is usually used for hanging clothing up in a closet? "

And do you know the answer to this one? "Which of these rocks is the hardest?"

66% knows the answer to this question: "Which athlete is known for their accomplishments in tennis? "

And do you know the answer to this one? "What is the missing word: ... for courses"

40% knows the answer to this question: "The swarms of which insect can bring an agricultural disaster? "

And do you know the answer to this one? "What do many types of birds, such as geese, do just before it begins to get colder?"

48% knows the answer to this question: "Who was credited with the invention/discovery of rubber vulcanisation in 1839? "

And do you know the answer to this one? "Although Tony Blair actually moved next door, what is the official address of Britain's prime minister?"

95% knows the answer to this question: "Which of India's mountain ranges is the world's highest? "

And do you know the answer to this one? "How fast does human hair grow?"

41% knows the answer to this question: "What was the purpose of the American Colonization Society, founded in 1816? "

And do you know the answer to this one? "In what US state is the city of Tucson located?"

48% knows the answer to this question: "What do you call a drink made up of orange juice and vodka? "

And do you know the answer to this one? "Which of the following is a carbonated drink?"

60% knows the answer to this question: "Which country launched a military attack that killed Hamas leader Ahmad Jabari in 2012? "

And do you know the answer to this one? "What French army general's accession marked the end of the French Revolution?"

89% knows the answer to this question: "Who sang the famous song "Night Fever" (1978)? "

And do you know the answer to this one? "Which nationality does fried chicken belong to?"

78% knows the answer to this question: "Who sang the famous song "Proud Mary" (1971) "

And do you know the answer to this one? "Who sang the famous song "Will You Love Me Tomorrow" (1960)? "

69% knows the answer to this question: "The body of which revolutionary figure is permanently displayed in Moscow's Red Square? "

And do you know the answer to this one? "The U.S. Bay of Pigs invasion in 1961 was an attempt to overthrow which country's government?"

55% knows the answer to this question: "What did Marilyn Novak change her name to, to avoid comparisons to that other blonde Marilyn? "

And do you know the answer to this one? "What was the name of Wilbur Wright's brother with whom he made the first powered flight?"