38% knows the answer to this question: "Which of the following is a keyboard instrument and a body part? "

And do you know the answer to this one? "What musician recorded the song 'Heartbreak Hotel' in January, 1956?"

75% knows the answer to this question: "Otitis externa is an infection of the ear canal, named for participants in a sport. What is it called? "

And do you know the answer to this one? "It's only done to treat really extreme cases of epilepsy, but half of something is removed in a hemispherectomy. What?"

38% knows the answer to this question: "You can find the Lincoln Memorial at which location? "

And do you know the answer to this one? "In what U.S. state is New York City located?"

65% knows the answer to this question: "In what US state can you visit the Statue of Liberty? "

And do you know the answer to this one? "Which of these places has the highest population?"

55% knows the answer to this question: "Which fruit is named after a flightless bird? "

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

92% knows the answer to this question: "Which of the following best relates to a roofer? "

And do you know the answer to this one? "What 'M' is a city in the Philippines, which also gives its name to a type of strong brown paper?"

36% knows the answer to this question: "A snow leopard is classified as which of these? "

And do you know the answer to this one? "What animal's poison is Cleopatra said to have used when she committed suicide in 30 BC?"

30% knows the answer to this question: "What was the first name of Castro, who became leader of Cuba in 1959? "

And do you know the answer to this one? "Thomas Andrews built what ship, and since he was on it when it hit the iceberg, he could tell the captain it was doomed to sink?"

76% knows the answer to this question: "A shortage of what, led 1940's women to paint seams on the back of their legs? "

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

88% knows the answer to this question: "How did Marie Antoinette die? "

And do you know the answer to this one? "Whom did Britain's Prince Charles marry on July 29, 1981?"

63% knows the answer to this question: "Which of these animals is a rodent? "

And do you know the answer to this one? "What is the system consisting of the Earth's sun and the eight planets orbiting it called?"

37% knows the answer to this question: "What's the name of Prince William and Kate Middleton's third 'Royal baby', born on 23 April 2018? "

And do you know the answer to this one? "What green vegetable do rabbits often eat?"