93% knows the answer to this question: "Breathing through a tube that touches the surface while swimming is known as what? "

And do you know the answer to this one? "The ancient Egyptians used a system of writing using symbols or pictures called what?"

84% knows the answer to this question: "Where would you find a Pullman sleeping car? "

And do you know the answer to this one? "What is the name of a formal living room in a house?"

36% knows the answer to this question: "If your job is to transfer products from the manufacturers to the retailer, what is your title? "

And do you know the answer to this one? "What year did the Jews in Poland's Warsaw ghetto start to fight the Nazis?"

51% knows the answer to this question: "In Shakespeare's "Hamlet", what does Hamlet consider his mother's marriage to Claudius to be? "

And do you know the answer to this one? "Who sang the famous song "Green Onions" (1962)?"

42% knows the answer to this question: "Which part of your body is your oxter? "

And do you know the answer to this one? "What is the S in RSI, which can affect hands?"

82% knows the answer to this question: "What is the flavour of the Turkish national drink, Raki? "

And do you know the answer to this one? "Okonomiyaki is known as the Japanese pancake, but it also has what unusual nickname?"

89% knows the answer to this question: "Universal Studios employee James Tumblin found Vivien Leighs dress from what movie on the floor of the Western Costume Company ... and got it for $20? "

And do you know the answer to this one? "Who shot and killed Martin Luther King, Jr. on a hotel balcony in Memphis on 4 April, 1968?"

52% knows the answer to this question: "Google controlled two thirds of the web search market in the 2010s. It also powered Android phones and got its own web browser. What was it called? "

And do you know the answer to this one? "Which woman tennis player beat Bobby Riggs at the Houston Astrodome in 1973 match dubbed The Battle of the Sexes?"

31% knows the answer to this question: "Which is the complete name of former US Secretary of State Kissinger? "

And do you know the answer to this one? "In what Asian city is Tiananmen Square, which became known in 1989 as a protest site, located?"

52% knows the answer to this question: "What was the name given to the nightly resupply of Japanese troops on Guadalcanal during WWII? "

And do you know the answer to this one? "Which U.S. President, known for his "fireside chat" radio addresses, was the first president ever televised?"

37% knows the answer to this question: "Which of these Greek gods was a patron of a major city? "

And do you know the answer to this one? "President Jean-Claude Duvalier fled what country after years of family rule?"

44% knows the answer to this question: "Whose famous tomb was opened in Egypt in 1922? "

And do you know the answer to this one? "What was Orville Wright's brother's name?"