42% knows the answer to this question: "The Rocky Mountains are in which continent? "

And do you know the answer to this one? "You can find the Wailing Wall at which location?"

70% knows the answer to this question: "What group recorded the most well-known version of the 12-bar-blues-based song "Rock Around the Clock" in 1954? "

And do you know the answer to this one? "What was the head of state in Iran called before the revolution of 1979?"

57% knows the answer to this question: "James Butler Hickok was better known by which name? "

And do you know the answer to this one? "Which leader of China died in 1976?"

77% knows the answer to this question: "Three of these are metals - which is the odd one out? "

And do you know the answer to this one? "In which major world event was Britain involved between 1914 and 1918?"

90% knows the answer to this question: "What is the total of 159 + 33 + 48? "

And do you know the answer to this one? "How many seconds in 10 minutes?"

93% knows the answer to this question: "What is the acronym for British Thermal Unit? "

And do you know the answer to this one? "What "white ants" can be told apart from real ants because they have thick waists?"

74% knows the answer to this question: "Which word is spelled wrong? "

And do you know the answer to this one? "Which word is spelled wrongly?"

92% knows the answer to this question: "What liquid substance, invented in 1926, is added to a car's cooling system? "

And do you know the answer to this one? "In 1991 Margot Fonteyn died at the age of 71. In which field had she found fame?"

38% knows the answer to this question: "What is an electrical tracing of the heartbeat or heart rhythm called? "

And do you know the answer to this one? "What does the medical term "prenatal" mean?"

46% knows the answer to this question: "Amelia Earhart was the first woman to do what? "

And do you know the answer to this one? "A German-born Jewish girl named Anne Frank is best remembered for what during WWII?"

92% knows the answer to this question: "Which of these parrots is the most colorful? "

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

46% knows the answer to this question: "Reykjavik is the capital city of which European country? "

And do you know the answer to this one? "What two major rivers provide Iraq with significant amounts of fertile land?"