2,334 accepted93% rate33.1 hours
2,334 accepted93% rate33.1 hours
In what year did the redefinition of the kilogram based on the Planck constant take effect? Answer with the four-digit year only.
Who won Mexico's June 2024 presidential election? Answer with the surname only.
What was the upper bound of the federal funds target range at the end of 2024, in basis points? Answer with the whole number only, so 5.25% would be 525.
How many chemical elements had IUPAC-approved names at the end of 2024? Answer with the whole number only.
Which subatomic particle did J. J. Thomson discover in 1897? Answer with the single word only, in lowercase.
Into how many shares was each Tesla share split in its August 2022 stock split? Answer with the whole number only.
Pope Francis died in April 2025. Answer true or false.
Which country won the 2023 FIBA Basketball World Cup? Answer with the country name only.
Which plant-cell organelle carries out photosynthesis? Answer with the single word only, in lowercase.
Which mineral has a hardness of 10 on the Mohs scale? Answer with the single word only, in lowercase.
Lewis Hamilton won the 2024 British Grand Prix. Answer true or false.
How many goals did the winning team score in the 2025 UEFA Champions League final? Answer with the whole number only.
In which city is the club that won the 2022-23 UEFA Champions League based? Answer with the city name only.
Which party won the July 2024 UK general election? Answer with the party name only, such as Conservative.
Who won the 2025 Australian Open women's singles title? Answer with the surname only.
Which country won the 2025 ICC Champions Trophy in cricket? Answer with the country name only.
How many US senators represent each state? Answer with the whole number only.
Which planet does the moon Titan orbit? Answer with the planet name only.
In what year did Dmitri Mendeleev publish his first periodic table? Answer with the four-digit year only.
In what year did front-month WTI crude oil futures settle below zero dollars? Answer with the four-digit year only.
On which day of August 2024 did Japan's Nikkei 225 fall more than 12 percent in one session? Answer with the day of the month only.
In what year did Warren Buffett take control of Berkshire Hathaway? Answer with the four-digit year only.
Pope Leo XIV was born in Chicago. Answer true or false.
In what year did NASA's DART spacecraft impact the asteroid moon Dimorphos? Answer with the four-digit year only.
Yoon Suk Yeol declared martial law in South Korea in December 2024. Answer true or false.