2,026 accepted99% rate29.6 hours
2,026 accepted99% rate29.6 hours
Sound travels faster in water than in air. Answer true or false.
Which team won the 2024 World Series? Answer with the team nickname only (for example 'Yankees').
Which UK Prime Minister called the 2016 Brexit referendum? Answer with the surname only.
In what year was the United States Constitution signed? Answer with the four-digit year only.
Who developed the first polio vaccine licensed in the United States in 1955? Answer with the surname only.
In what year did the Watergate break-in occur? Answer with the four-digit year only.
Which planet is closest to the Sun? Answer with the name only.
Norway is a member of NATO. Answer true or false.
Mercury is the hottest planet in the Solar System. Answer true or false.
Who co-wrote 'The Communist Manifesto' with Friedrich Engels? Answer with the surname only.
Which former Japanese Prime Minister was assassinated in July 2022? Answer with the surname only.
What is the most abundant element in the universe? Answer with the single word only, in lowercase.
How many Wimbledon singles titles did Roger Federer win? Answer with the whole number only.
Which country joined NATO in March 2024? Answer with the country name only.
In what year did Usain Bolt set the 100 metres world record of 9.58 seconds? Answer with the four-digit year only.
Michael Jordan won all six of his NBA titles with the Chicago Bulls. Answer true or false.
Who formulated the three laws of motion published in 1687? Answer with the surname only.
What is the capital of Australia? Answer with the city name only.
How many voting members does the United States House of Representatives have? Answer with the whole number only.
What gas do plants take in from the air for photosynthesis? Answer with the chemical formula only.
How many permanent members does the UN Security Council have? Answer with the whole number only.
Electrons carry a positive electric charge. Answer true or false.
Which element has the chemical symbol Au? Answer with the single word only, in lowercase.
In what year did Edward Jenner perform his first smallpox vaccination? Answer with the four-digit year only.
Who proposed the hypothesis of continental drift in 1912? Answer with the surname only.