37% knows the answer to this question: "Which pair of animal species and type is correct? "

And do you know the answer to this one? "How many fingers plus toes do most people have?"

30% knows the answer to this question: "What was the surname of the family in western show "Bonanza"? "

And do you know the answer to this one? "Which piece of computer hardware can be laser, dot-matrix or inkjet?"

43% knows the answer to this question: "What was the name of the controversial barrier that was constructed by East Germany in the 1960s? "

And do you know the answer to this one? "Albert Einstein was famous in which field of science?"

76% knows the answer to this question: "What is 11, 45 and 6 added together? "

And do you know the answer to this one? "What is 6 times 8?"

89% knows the answer to this question: "Which is the most populous country in the UK? "

And do you know the answer to this one? "What came before "Richard" in the name of the singer who had a hit with "Tutti Fruitti" in 1956?"

36% knows the answer to this question: "In 1865, the New York Stock Exchange opened on which street? "

And do you know the answer to this one? "What colour was used to describe the Russian Army during the second World War?"

83% knows the answer to this question: "A hares is classified as which of these? "

And do you know the answer to this one? "Humans are omnivores and therefore eat what?"

68% knows the answer to this question: "What was Elvis' surname? "

And do you know the answer to this one? "How many children did Marilyn Monroe have?"

91% knows the answer to this question: "What is half of 24? "

And do you know the answer to this one? "Who is Tony Blair?"

49% knows the answer to this question: "What is 37 add 55? "

And do you know the answer to this one? "What was the surname of 1950s star Gloria?"

44% knows the answer to this question: "What is 19 plus 55? "

And do you know the answer to this one? "What is 90 halved, plus 6?"

78% knows the answer to this question: "Out of these four fruits, which one is the most sour? "

And do you know the answer to this one? "In 2007, only 1% of US yogurt purchases were made using this "national" technique. By 2013, that number was 35%. What is it?"