50% knows the answer to this question: "Who sang the famous song "Ziggy Stardust" (1972) ? "

And do you know the answer to this one? "Who sang the famous song "Voodoo Child" (1968)"

35% knows the answer to this question: "Shortly after filming a car safety spot, who died on a California highway when his Porsche 550 Spyder collided into a 1950 Ford Tudor coupe that was turning onto Route 41 west of Cholame, California? "

And do you know the answer to this one? "Two Westerns, "The Magnificent Seven" and "A Fistful of Dollars," were inspired by movies about which country's samurai?"

33% knows the answer to this question: "Pfizer was a big name in the 1950s in which market? "

And do you know the answer to this one? "How do cats define territory which helps them feel secure?"

80% knows the answer to this question: "India conducted its first what in 1974? "

And do you know the answer to this one? "In 1978, Robert K. Jarvik was credited with which invention/discovery?"

34% knows the answer to this question: "The type of plaster used to set broken bones is named after which European city? "

And do you know the answer to this one? "In which city do Beefeaters guard important buildings?"

53% knows the answer to this question: "Agents that prevent blood from clotting are called what? "

And do you know the answer to this one? "A female reproductive cell prior to fertilization is called a what?"

59% knows the answer to this question: "Which of the following is a red meat? "

And do you know the answer to this one? "Inarizushi and Makizushi are both types of what?"

43% knows the answer to this question: "What do farmers called chopped feed and grain, found in airtight silos? "

And do you know the answer to this one? "What shape are the cereal pieces in Cheerios?"

68% knows the answer to this question: "What is the part of a plant from which another plant can grow? "

And do you know the answer to this one? "A rat is classified as which of these?"

37% knows the answer to this question: "What is the missing word: Every man has his ... "

And do you know the answer to this one? "Over which Scottish town did a Pan Am jumbo explode in '88 as the result of a bomb?"

71% knows the answer to this question: "Sweden became the first nation in the world to ban what in 1978? "

And do you know the answer to this one? "Geico's mascot is a gecko. Geico is an insurance company. But what is a gecko?"

31% knows the answer to this question: "Who sang the famous song "Born to Run" (1994)? "

And do you know the answer to this one? "Who sang the famous song "American Pie" (1972)"