2,283 accepted98% rate42.2 hours
2,283 accepted98% rate42.2 hours
Sound can travel through a perfect vacuum. Answer true or false.
Which chemical element is the most abundant in the universe by mass? Answer with the single word only, in lowercase.
Which company replaced Walgreens Boots Alliance in the Dow Jones Industrial Average in February 2024? Answer with the company name only.
Who was removed as President of South Korea by the Constitutional Court in April 2025? Answer with the surname only.
How many companies has Germany's DAX index contained since September 2021? Answer with the whole number only.
In what year did the S&P 500 first close above 5,000 points? Answer with the four-digit year only.
Which NBA team won the 2023 NBA Finals? Answer with the team nickname only, such as Lakers.
Which player won the 2023 men's Ballon d'Or? Answer with the surname only.
Who won the 2025 Indianapolis 500? Answer with the surname only.
Which club won the 2023-24 English Premier League? Answer with the club name only, such as Arsenal.
Who won the 2024 Open Championship in golf? Answer with the surname only.
In what year was 51 Pegasi b, the first exoplanet found orbiting a sun-like star, announced? Answer with the four-digit year only.
Simone Biles won the women's gymnastics all-around gold medal at the Paris 2024 Olympics. Answer true or false.
Mars has three natural moons. Answer true or false.
Who won Romania's May 2025 presidential runoff? Answer with the surname only.
Who shared the 2024 Nobel Prize in Physiology or Medicine with Victor Ambros? Answer with the surname only.
Which NHL team won the 2023 Stanley Cup? Answer with the team nickname only, such as Bruins.
Who won the 2024 US Open women's singles title? Answer with the surname only.
Which element has the chemical symbol K? Answer with the element name only.
What papal name did Robert Prevost take when elected pope in May 2025? Answer with the papal name only, such as John Paul II.
Who has been the chief executive of Nvidia since its founding? Answer with the surname only.
In which month of 2024 did Iranian president Ebrahim Raisi die in a helicopter crash? Answer with the month name only.
In what year did Lehman Brothers file for bankruptcy? Answer with the four-digit year only.
Mitochondria contain their own DNA. Answer true or false.