47% knows the answer to this question: "Dave gets 20 presents on his birthday. A fifth are from his wife, a quarter from his mum and 10% from his Dad. How many does he get from other people? "

And do you know the answer to this one? "Which is the worlds longest mountain range?"

95% knows the answer to this question: "38x39÷38 equals what number? "

And do you know the answer to this one? "A haircut costs £20 with the stylist and £12 with the junior. How much would I save on my monthly haircut each year by using the junior?"

72% knows the answer to this question: "687+462+237 equals what number? "

And do you know the answer to this one? "Jenny buys 10 Christmas cards for $4, and it costs $1 each to post them. If she sends all 10 cards, how much will she have spent on Christmas cards?"

32% knows the answer to this question: "Which movie released in 1977 launched a massive sci-fi franchise? "

And do you know the answer to this one? "Who became President of the United States after Nixon resigned in 1974?"

31% knows the answer to this question: "Which band released the album "Rubber Soul" in the 1960s? "

And do you know the answer to this one? "Who was elected President of the United States in 1960?"

87% knows the answer to this question: "Which word is spelled incorrectly? "

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

73% knows the answer to this question: "Which word is spelled incorrectly? "

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

39% knows the answer to this question: "Which historical figure discovered the first successful polio vaccines? "

And do you know the answer to this one? "What now historic line did Neil Armstrong utter after stepping onto the Moon's surface?"

33% knows the answer to this question: "Which word is spelled incorrectly? "

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

95% knows the answer to this question: "In which British city is Buckingham Palace located? "

And do you know the answer to this one? "Tempera, oil and acrylic are all types of what?"

63% knows the answer to this question: "Toto is a dog in which film? "

And do you know the answer to this one? ""Ringing up" someone in London requires the use of what?"

64% knows the answer to this question: "In 1966, Barbados became independent of what country? "

And do you know the answer to this one? "William Henry McCarty, Jr was better known as what?"