33% knows the answer to this question: "Remembered for uttering "I have lost myself," a mental patient named Auguste D was the first person diagnosed with disease? "

And do you know the answer to this one? "Henry Ford was reputed to have said that you could have a Model T in any color you wanted, so long as it was what color?"

38% knows the answer to this question: "Which of India's mountain ranges is the world's highest? "

And do you know the answer to this one? "How fast does human hair grow?"

51% knows the answer to this question: "Who sang the famous song "You're So Vain" (1973) ? "

And do you know the answer to this one? "Who sang the famous song "I Heard It Through The Grapevine" (1969)"

69% knows the answer to this question: "Roman men wore togas and Roman women wore what? "

And do you know the answer to this one? "What letter was used to describe second World War German submarines?"

56% knows the answer to this question: "Phobophobia is the fear of what? "

And do you know the answer to this one? "The largest Protestant church in Dublin is, ironically, named for what iconic Irish Catholic saint?"

36% knows the answer to this question: "Which movie is about zombies? "

And do you know the answer to this one? "What is the name for a 100 foot tall tidal wave?"

60% knows the answer to this question: "Finish this line of Led Zeppelin lyrics: 'And she's buying a stairway to ___________'. "

And do you know the answer to this one? "What tasty treat has inspired song titles from Lil Wayne, the Chordettes, Millie Small and Shirley Temple?"

45% knows the answer to this question: "What director got his middle name, both from the car company that sponsored his dad's radio show and from the man for whom the hospital in which he was born was named? "

And do you know the answer to this one? "What movie included a famous scene of Deborah Kerr and Burt Lancaster rolling around on Halona Beach Cove, kissing as the waves swept over them?"

82% knows the answer to this question: "Sound travels 2.7 times faster through what gas, which explains why inhaling it makes your voice higher? "

And do you know the answer to this one? "Which battle is famed for a messenger running 26 miles?"

81% knows the answer to this question: "Which of these would be true of a defiant child? "

And do you know the answer to this one? "Uber is a tech company disrupting which industry?"

39% knows the answer to this question: "If an online game is described as "P2P", what does that mean? "

And do you know the answer to this one? "What is the distance around a circle called?"

30% knows the answer to this question: "Monet, Renoir and Degas all belonged to which of these art movements? "

And do you know the answer to this one? "____ Foods Co-op is a supermarket based in Minnesota and its owned by over 10,000 members. What is the missing word?"