33% knows the answer to this question: "While working in Paris in 1921, American bartender Fernand Petiot mixed equal parts vodka and tomato juice to create what drink, named for a customer of his at Chicago's Bucket of Blood nightclub? "

And do you know the answer to this one? "Which day was first celebrated on April 22 1970?"

72% knows the answer to this question: "The Amsterdam Arena is a sports venue in which European country? "

And do you know the answer to this one? "What name refers to trips across the Atlantic Ocean?"

45% knows the answer to this question: "What condition is characterised by an imbalance of salts or chemicals in the blood? "

And do you know the answer to this one? "Octophobia is the fear of what?"

69% knows the answer to this question: "What is the capital city of Antarctica? "

And do you know the answer to this one? "What were the first names of Franklin Roosevelt's wife?"

88% knows the answer to this question: "What does an enthusiastic chef call the outer peel of a citrus fruit, such as a lemon? "

And do you know the answer to this one? "What cake did George Page invent after WWII, when he had lots of leftover dehydrated veggies?"

85% knows the answer to this question: "Aerobic exercise increases what? "

And do you know the answer to this one? "What part of your body helps you keep your balance?"

34% knows the answer to this question: "Which of these is a liquid? "

And do you know the answer to this one? "What does a conductor use to control the orchestra?"

65% knows the answer to this question: "Which of these continent - country - capital groups is correct? "

And do you know the answer to this one? "Louis Armstrong is well-known for playing which instrument?"

91% knows the answer to this question: "What word means to narrate something? "

And do you know the answer to this one? "Which word means inhaling and exhaling?"

76% knows the answer to this question: "What is a condition of an airplane or an airfoil in which lift decreases and drag increases? "

And do you know the answer to this one? "In which ocean does Madagascar lie?"

89% knows the answer to this question: "What animal is a meat-eating, freshwater fish? "

And do you know the answer to this one? "Released in 2002 by iRobot, the Roomba was a round, flat robot. What did it do?"

65% knows the answer to this question: "Which of the Great Lakes is the only one named for a US state? "

And do you know the answer to this one? "In what movie does Harrison Ford take on a role David Janssen had played on TV?"