81% knows the answer to this question: "Father's Day is on ..? "

And do you know the answer to this one? "What is the capital of Vietnam and the country's second largest city?"

61% knows the answer to this question: "What colorful square separates the Kremlin from an historic merchant quarter called Kitaigorod? "

And do you know the answer to this one? "A waterway called the Serpentine separates Hyde Park and Kensington Gardens in what city?"

74% knows the answer to this question: "Solve this equation for N: 2N = 66? "

And do you know the answer to this one? "What number is greatest: 112, 138, 157 or 191?"

56% knows the answer to this question: "Bette Davis, who'd been a Southern belle in Jezebel, passed on what role when she thought Errol Flynn would play Rhett Butler? "

And do you know the answer to this one? "What did the "Farmer in the Dell" take?"

41% knows the answer to this question: "The song 'Do Re Mi' is from which movie? "

And do you know the answer to this one? "What song starts "Get your motor runnin' "?"

69% knows the answer to this question: "Which tractor brand has a green and yellow logo? "

And do you know the answer to this one? "15 children get a sweet from the jar. There are 2 left. How many sweets were in the jar to start with?"

31% knows the answer to this question: "In Britain, what would you be served if you asked for bangers and mash? "

And do you know the answer to this one? "How many minutes in three-quarters of an hour?"

40% knows the answer to this question: "Which is the capital city of Lebanon? "

And do you know the answer to this one? "What talk show became popular in the 1990's due to its many fights on air?"

76% knows the answer to this question: "IKEA originated in which European country? "

And do you know the answer to this one? "Tom Selleck was originally supposed to play what whipcracking Harrison Ford role?"

67% knows the answer to this question: "Who was Robinson Crusoe's friend on his island? "

And do you know the answer to this one? "The vegetarian Brachiosaurus had a really long neck that helped him eat what?"

49% knows the answer to this question: "Which artist was called, "Jack the Dripper"? "

And do you know the answer to this one? "What insect was sacred in Ancient Egypt?"

48% knows the answer to this question: "What did the Knave of Hearts steal in the nursery rhyme "The Queen of Hearts"? "

And do you know the answer to this one? "What house in New Orleans has "been the ruin of many a poor boy"?"