100% knows the answer to this question: "Humphrey Davy invented a lamp for use in which industry? "

And do you know the answer to this one? "Who invented the light bulb?"

0% knows the answer to this question: "What object's gnomon ceases to work at night? "

And do you know the answer to this one? "What are the two elements which make up water?"

100% knows the answer to this question: "A severe outbreak of which disease began in West Africa in 2014? "

And do you know the answer to this one? "King Edward VIII gave up the throne in 1936 in order to do what?"

100% knows the answer to this question: "What is the best thing to drink to keep you hydrated? "

And do you know the answer to this one? "What would you call the treatment of disease, usually cancer, by chemical agents?"

100% knows the answer to this question: "What playful word describes the fatty streaks found in meat? "

And do you know the answer to this one? "Where did the Blitz of World War II take place?"

100% knows the answer to this question: "Which popular 70s toy was based on a roller skate? "

And do you know the answer to this one? "A barrel of which linking animals was a popular 70s toy?"

100% knows the answer to this question: "If you order Australus on a menu, you're actually eating what animal's meat? "

And do you know the answer to this one? "Josef Stalin was the leader of which country?"

100% knows the answer to this question: "Who sang "Man! I feel like a woman"? "

And do you know the answer to this one? "What was the occupation of Eisenhower before he became President?"

0% knows the answer to this question: "I'm an Olympic swimmer who won 22 medals. Who am I? "

And do you know the answer to this one? "I was once in the Beatles and I worked with Kanye West in 2014. Who am I?"

100% knows the answer to this question: "What is an uplifted area with a flat top called? "

And do you know the answer to this one? "Which of these objects has the most mass?"

100% knows the answer to this question: "What is the area in feet for a 4 foot long by 7 foot wide room. "

And do you know the answer to this one? "If you pay five cents per minute for long distance calls, how much will 90 minutes of calls cost?"

100% knows the answer to this question: "In the nursery rhyme "Hey Diddle Diddle", who had a fiddle? "

And do you know the answer to this one? "What did David Livingstone name the famous waterfall he came across when navigating the Zambezi river?"