74% knows the answer to this question: "What number is represented by M in Roman numerals? "

And do you know the answer to this one? "How do you write 0.646 as a fraction?"

68% knows the answer to this question: "How many liters can one cubic meter hold? "

And do you know the answer to this one? "417+282+147 equals what number?"

83% knows the answer to this question: "What South American country is named after a famous explorer? "

And do you know the answer to this one? "What is the next prime number after 743?"

75% knows the answer to this question: "Which of these European countries is an island nation? "

And do you know the answer to this one? "Russell Crowe won the best actor for his role in which film?"

74% knows the answer to this question: "Which ancient kingdom was ruled by the Pharaohs? "

And do you know the answer to this one? "What kind of water did Joseph Priestly invent in 1767?"

54% knows the answer to this question: "What number comes next in the sequence 8, 16, 32, 64? "

And do you know the answer to this one? "182x174÷174 equals what number?"

40% knows the answer to this question: "80x72÷72 equals what number? "

And do you know the answer to this one? "If you are Dutch, you are from which European country?"

78% knows the answer to this question: "The inauguaration of which US President was the first to be broadcast live in 1953? "

And do you know the answer to this one? "In which city did the famous Sadlers Wells Theatre open in 1931?"

34% knows the answer to this question: "A boy ran 44km before school and 21km afterwards.What was the total distance travelled? "

And do you know the answer to this one? "What number when added to 9854, gives 9293?"

73% knows the answer to this question: "What feature allows use of analog and digital networks? "

And do you know the answer to this one? "As of 2013, which of these professions has the highest proportion of female workers in the US?"

58% knows the answer to this question: "What corporation owns the mining vessel infected with the alien menace in Alien? "

And do you know the answer to this one? "2.2 x 5 = ?"

33% knows the answer to this question: "Which British TV network launched the world's first teletext service in 1974? "

And do you know the answer to this one? "What does a strait connect?"