55% knows the answer to this question: "Carp' is a type of what? "

And do you know the answer to this one? "Which sportsman did Marilyn Monroe marry in January 1954?"

50% knows the answer to this question: "Diabetic retinopathy can lead to the loss of which of the senses? "

And do you know the answer to this one? "What type of tree do conkers come from?"

39% knows the answer to this question: "What reference work, still famous for its illustrations by Dr HV Carter, got terrible reviews in the British Medical Journal when it came out in 1858? "

And do you know the answer to this one? "Who was the 'Audubon Society' named in honor of?"

93% knows the answer to this question: "How did Nikita Khrushchev die? "

And do you know the answer to this one? "In 2013, a tunnel opened connected the European and Asian parts of which country?"

52% knows the answer to this question: "In 1941, to whom was Admiral Isoruku Yamamoto referring when he said, "I fear that we have only succeeded in awakening a sleeping tiger"? "

And do you know the answer to this one? "What is the name of the torture technique employed by the U.S. government that simulates drowning?"

95% knows the answer to this question: "What is the largest city in Australia? "

And do you know the answer to this one? "Who was arrested for killing Israeli Prime Minister Yitzhak Rabin in 1995?"

67% knows the answer to this question: "In 1997-98, what Islamic Emirate adopted the blank white flag of the Taliban as the country's national flag? "

And do you know the answer to this one? "Which king of the Neo-Babylonian Empire (612-538 BC) submitted Palestine and conquered Jerusalem in 586 BC?"

48% knows the answer to this question: "Which event happened first? "

And do you know the answer to this one? "The Dalai Lama celebrated which Birthday in July 2015?"

79% knows the answer to this question: "What currency does the former Soviet republic of Belarus use? "

And do you know the answer to this one? "What country devotes 40% of its work force to tourism?"

40% knows the answer to this question: "What was the name of the Soviet Union's infamous national security agency between 1954 and 1991? "

And do you know the answer to this one? "In 1924, what was then Petrograd was renamed Leningrad. What is that city called today?"

46% knows the answer to this question: "Who was Japan's Emperor at the beginning of World War Two? "

And do you know the answer to this one? "Where would you see a German Zeppelin?"

80% knows the answer to this question: "What shape of structure was used to bury ancient Egyptian kings? "

And do you know the answer to this one? "What Islamic prophet was born in 570 AD?"