53% knows the answer to this question: "In what country was the famous artist Leonardo da Vinci born? "

And do you know the answer to this one? "Einstein's E=mc2 equation is known as the theory of what?"

86% knows the answer to this question: "Which major river flows north through Africa and empties in the Mediterranean Sea? "

And do you know the answer to this one? "Islamabad is the capital of which "P"?"

48% knows the answer to this question: "What puzzle won "Toy of the Year" in 1980? "

And do you know the answer to this one? "How can you easily increase your cardiovascular endurance level?"

34% knows the answer to this question: "Which species can be described as a water bird? "

And do you know the answer to this one? "Anne Boleyn and Catherine Howard were both wives of what king? "

53% knows the answer to this question: "Which media personality, the daughter of Whitney Houston and Bobby Brown, passed away in July 2015? "

And do you know the answer to this one? "What mountain, which stands at 3,776 meters, is the highest point in Japan?"

79% knows the answer to this question: "What is the name of a formal living room in a house? "

And do you know the answer to this one? "Bright to dark red skin is a feature of what fruit?"

39% knows the answer to this question: "In the news throughout the 90s, with which commodity is OPEC involved? "

And do you know the answer to this one? "At what battle was Napoleon defeated in 1815?"

60% knows the answer to this question: "Which part of the Sistine Chapel is famously the main focal point? "

And do you know the answer to this one? "Which young girl helped drive the English from French soil in the 15th century?"

69% knows the answer to this question: "Ida Siekmann was the first of many people killed here, when she tried to jump the wall from her third floor apartment at 48 Bernauer Strasse. Where was this? "

And do you know the answer to this one? "What's these name of this iconic buildings?"

57% knows the answer to this question: "Which famous musical composer died in 1979? "

And do you know the answer to this one? "In 1984, Michael Jackson suffered burns while making a commercial for which company? "

85% knows the answer to this question: "Which nurse tended soldiers in the Crimean War? "

And do you know the answer to this one? "The artificial what was invented in 1969?"

85% knows the answer to this question: "Who proclaimed the Communist People's Republic of China in 1949? "

And do you know the answer to this one? "What was Gandhi's first name?"