55% knows the answer to this question: "Do you remember for who the Taj Mahal was build? "

And do you know the answer to this one? "Do you remember the name of the first woman in space?"

33% knows the answer to this question: "What was the first name of opera singer Pavarotti? "

And do you know the answer to this one? "Gershwin wrote an opera about Porgy and who?"

35% knows the answer to this question: "Can you identify this vegetable? "

And do you know the answer to this one? "Can you identify this candybar?"

62% knows the answer to this question: "What country's highest honor is the Order of the Chrysanthemum, followed by the Order of the Rising Sun? "

And do you know the answer to this one? "What does Judas do to indicate to the high priests which man is Jesus?"

80% knows the answer to this question: "What gets formed by the mixture of soap with the calcium and magnesium ions found in hard water? "

And do you know the answer to this one? "Of these, which is a river in Europe?"

31% knows the answer to this question: "How did Marie Antoinette of France die? "

And do you know the answer to this one? "Which of the following is the biggest?"

68% knows the answer to this question: "Shiny are the ... hills "

And do you know the answer to this one? "Many hands make light …"

52% knows the answer to this question: "Time … "

And do you know the answer to this one? "The labourer is worthy of his …"

73% knows the answer to this question: "Which Asian country exploded a nuclear bomb underground in 2013? "

And do you know the answer to this one? "Which American singer was born in 1979?"

57% knows the answer to this question: "What best-selling book is about a hot puzzle craze first originating in Japan? "

And do you know the answer to this one? "What city is called Venezia by the locals?"

37% knows the answer to this question: "Abigail Smith Adams was the wife of which American President? "

And do you know the answer to this one? "Which former French president led the Free French Forces during World War II?"

39% knows the answer to this question: "What mentally ill Russian monarch beat his pregnant daughter in law for dressing provocatively, then killed his own son for trying to stop him? "

And do you know the answer to this one? "Which car company implemented the first large-scale moving assembly line in 1913?"