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Sound travels faster in water than in air. Answer true or false.
Who was the 46th President of the United States? Answer with the surname only.
How many rings are in the Olympic symbol? Answer with the whole number only.
How many French Open singles titles did Rafael Nadal win? Answer with the whole number only.
Who was the first female Prime Minister of the United Kingdom? Answer with the surname only.
Which country won UEFA Euro 2024? Answer with the country name only.
Who became Vice President of the United States in January 2025? Answer with the surname only.
What is the most abundant element in Earth's crust by mass? Answer with the single word only, in lowercase.
Which golfer has won the most men's major championships? Answer with the surname only.
Barack Obama served three terms as US president. Answer true or false.
Who developed the first polio vaccine licensed in the United States in 1955? Answer with the surname only.
How many member countries did NATO have after Sweden joined in March 2024? Answer with the whole number only.
What is the atomic number of copper? Answer with the whole number only.
Which planet is closest to the Sun? Answer with the name only.
Who was the first American woman in space? Answer with the surname only.
The 2024 Tour de France finished in Nice rather than Paris. Answer true or false.
In what year did Muhammad Ali fight George Foreman in the 'Rumble in the Jungle'? Answer with the four-digit year only.
How many electoral votes did Joe Biden win in the 2020 US presidential election? Answer with the whole number only.
Mercury is the hottest planet in the Solar System. Answer true or false.
What is the capital of Turkey? Answer with the city name only.
Who was UK Prime Minister for most of the Second World War? Answer with the surname only.
Which Google DeepMind chief executive shared the 2024 Nobel Prize in Chemistry for protein structure prediction? Answer with the surname only.
In what year did the Watergate break-in occur? Answer with the four-digit year only.
What is the hardest naturally occurring mineral? Answer with the single word only, in lowercase.
How many periods are in a regulation NHL game? Answer with the whole number only.