67% knows the answer to this question: "Which singer was born Robert Zimmerman? "

And do you know the answer to this one? "Who is the world-famous film star mother of Jason Gould?"

38% knows the answer to this question: "Kremlin Square is in which M capital city? "

And do you know the answer to this one? "49 / 7 = ? "

68% knows the answer to this question: "Which of these countries is the smallest by area? "

And do you know the answer to this one? "The Battle of Hastings occurred in which country?"

52% knows the answer to this question: "Which of this selection of US newspapers circulates the most? "

And do you know the answer to this one? "El Morro is a national park in which state?"

40% knows the answer to this question: "What are the logical separations between data on a CD called? "

And do you know the answer to this one? "Which series of 15th century wars was ended with the Battle of Bosworth Field?"

93% knows the answer to this question: "3570+2384+1198 equals what number? "

And do you know the answer to this one? "Which singer released the famous track 'Tutti Fruitti' in 1956?"

93% knows the answer to this question: "Where was the world's first human heart transplant performed in 1967? "

And do you know the answer to this one? "What is a name for a portable machine that records the heartbeat?"

95% knows the answer to this question: "Who founded and built Daniels Cable-vision? "

And do you know the answer to this one? ".ru is the top-level domain name for which country?"

56% knows the answer to this question: "What do we call the teeth we grind our food with? "

And do you know the answer to this one? "What are the scientists that study life from long ago called?"

62% knows the answer to this question: "What central London street is famous for containing the main government offices? "

And do you know the answer to this one? "Sapphire is usually which colour?"

44% knows the answer to this question: "What King's Mines was the title of a popular 1950 movie starring Deborah Kerr? "

And do you know the answer to this one? "Which US President approved the spend on The Apollo Space program in the '60s?"

64% knows the answer to this question: "Which of these cities has four buildings in the top ten tallest buildings in the US? "

And do you know the answer to this one? "Persia was conquered by which Greek?"