39% knows the answer to this question: "What number is greatest: 112, 138, 157 or 191? "

And do you know the answer to this one? "If you cut a pie in thirds, how many pieces do you have?"

75% knows the answer to this question: "The highest mountain in the world is in which range? "

And do you know the answer to this one? "Starbucks opened its largest café in the world in which Chinese city in 2017?"

68% knows the answer to this question: "What is the capital city of Austria? "

And do you know the answer to this one? "Alopecia is a condition associated with which of these?"

85% knows the answer to this question: "The famous boating area known as the Broads is in which English county? "

And do you know the answer to this one? "The Casket Letters suggest that what queen, also known as Mary Stuart, had a hand in killing her second husband, Lord Darnley?"

48% knows the answer to this question: "Which country is also known as Nippon? "

And do you know the answer to this one? "What London landmark did Queen Elizabeth II open up to tourism in 1993?"

30% knows the answer to this question: "Who sang the famous song "A Guy Is A Guy" (1952)? "

And do you know the answer to this one? "Who sang the famous song "Mama From the Train" (1956)?"

94% knows the answer to this question: "What is the branch of medicine that is concerned with aging and the elderly? "

And do you know the answer to this one? "Which general was killed at the Battle of Little Bighorn?"

30% knows the answer to this question: "In 1961, the Beatles performed for the first time at the Cavern Club in which city? "

And do you know the answer to this one? "What is the missing word: .... dogs seldom bite"

70% knows the answer to this question: "Which islands, much in the news in the '80s, are also known as Las Malvinas? "

And do you know the answer to this one? "Which word is spelled wrong?"

89% knows the answer to this question: "Jerk chicken, fried plantains and mango ice cream are popular foods of what country's cuisine? "

And do you know the answer to this one? "In which of these countries could you see the big five safari animals?"

80% knows the answer to this question: "What central part of an atom occupies a mere one quadrillionth its volume of an atom and just 0.1 percent of its mass? "

And do you know the answer to this one? "What synonym for a bid is also the name of a naval ship that provides logistical support to other ships?"

79% knows the answer to this question: "In what country does Foster's lager originate? "

And do you know the answer to this one? "Chaise"