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1,564 accepted99% rate13.6 hours
How many amendments have been ratified to the US Constitution? Answer with the whole number only.
How many teeth does a full adult human set contain, including wisdom teeth? Answer with the whole number only.
What is the SI unit of electrical resistance? Answer with the single word only, in lowercase.
In what year did Christiaan Barnard perform the first human-to-human heart transplant? Answer with the four-digit year only.
Which team won the 2025 NBA championship? Answer with the team nickname only (for example, Lakers).
How many seats does India's Lok Sabha have for elected members? Answer with the whole number only.
Which country won the 2014 FIFA World Cup? Answer with the country name only.
In what year was the Human Genome Project declared complete? Answer with the four-digit year only.
How many years is a US representative's term? Answer with the whole number only.
In what year did India's Chandrayaan-3 land near the lunar south pole? Answer with the four-digit year only.
What is absolute zero on the Kelvin scale? Answer with the whole number only.
Which country's parliament is called the Bundestag? Answer with the country name only.
Wimbledon is played on clay courts. Answer true or false.
Which nucleobase replaces thymine in RNA? Answer with the single word only, in lowercase.
How many ossicles (small bones) are in each human middle ear? Answer with the whole number only.
How many voting members does the US House of Representatives have? Answer with the whole number only.
In what year did Charles Darwin publish 'On the Origin of Species'? Answer with the four-digit year only.
How many career home runs did Barry Bonds hit in Major League Baseball? Answer with the whole number only.
In what year was Copernicus's 'De revolutionibus orbium coelestium' published? Answer with the four-digit year only.
In which US city did the Francis Scott Key Bridge collapse in March 2024? Answer with the city name only.
How many electoral votes does a candidate need to win the US presidency? Answer with the whole number only.
In what year did Russia launch its full-scale invasion of Ukraine? Answer with the four-digit year only.
In what year did Marie Curie die? Answer with the four-digit year only.
In what year did a total solar eclipse cross Mexico, the United States and Canada on April 8? Answer with the four-digit year only.
In what year did the American Civil War begin? Answer with the four-digit year only.