55% knows the answer to this question: "What was the name of the planet Superman was born on? "

And do you know the answer to this one? "What British force travels in black and white "panda cars"?"

31% knows the answer to this question: "What are escargots? "

And do you know the answer to this one? "Which type of warfare is particularly associated with World War I?"

50% knows the answer to this question: "During World War II, Britain's crown jewels and the Magna Carta were held in what Kentucky fort? "

And do you know the answer to this one? "Robert Borden was the prime minister of which country during World War I?"

87% knows the answer to this question: "Phosphorus and sulfur are the ingredients in what? "

And do you know the answer to this one? "Complete the The Spencer Davis Group hit song title, "Keep On ..."?"

36% knows the answer to this question: "What film is this line from "I am not an animal! I am a human being"? "

And do you know the answer to this one? "What is the most populated city in California?"

89% knows the answer to this question: "Where was Abraham Lincoln assassinated? "

And do you know the answer to this one? "Which South American country held a special election to replace President Hugo Chavez in 2013?"

32% knows the answer to this question: "Prince William of the UK married whom in 2011? "

And do you know the answer to this one? "To what city in Saudi Arabia is a pilgrimage known as the "Hajj" obligatory for all Muslims?"

72% knows the answer to this question: "What is Westminster Abbey? "

And do you know the answer to this one? "Which country has the smallest population?"

51% knows the answer to this question: "How do artists join two pieces of steel when making a sculpture? "

And do you know the answer to this one? "King Juan Carlos I abdicated as King of which country in 2014?"

79% knows the answer to this question: "Father's Day is on ..? "

And do you know the answer to this one? "What is the capital of Vietnam and the country's second largest city?"

82% knows the answer to this question: "What colorful square separates the Kremlin from an historic merchant quarter called Kitaigorod? "

And do you know the answer to this one? "A waterway called the Serpentine separates Hyde Park and Kensington Gardens in what city?"

91% knows the answer to this question: "What determines how loud or soft a sound is? "

And do you know the answer to this one? "Which is the major form of sugar used by living things as fuel?"