81% 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?"

32% knows the answer to this question: "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? "

And do you know the answer to this one? "Who were the rulers of Ancient Egyptian society?"

50% knows the answer to this question: "The U.S. invaded Afghanistan in 2001 to topple what government? "

And do you know the answer to this one? "In 2005, Prince Charles married what woman?"

92% 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?"

89% 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?"

85% 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?"

60% 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? "A signalman worked in which transport industry?"

43% knows the answer to this question: "Which of these is a gentle, slow-swimming, aquatic animal? "

And do you know the answer to this one? "Which of these was a name commonly given to the 1920s?"

43% knows the answer to this question: "One of the stranger Wikipedia edit wars involved a heated debate over whether what Harry Potter author was mispronouncing her own name? "

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

55% knows the answer to this question: "What form of energy are we using when we use an alarm clock or a dishwasher? "

And do you know the answer to this one? "Which continent is famous for its coral reefs?"

49% knows the answer to this question: "Known affectionately as 'The Woz', who created the Apple I and Apple II computers? "

And do you know the answer to this one? "Red sky at night ... delight; red sky in the morning, shepherds warning"

39% knows the answer to this question: "Which Little Richard hit is also an ice cream flavour? "

And do you know the answer to this one? "Floppy hats called "berets" are associated with what culture?"