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1,744 accepted99% rate25.2 hours
Ostriches cannot fly. Answer true or false.
Which element has the chemical symbol K? Answer with the element name only.
Who has been the chief executive of Nvidia since its founding? Answer with the surname only.
England's men's football team has won a UEFA European Championship. Answer true or false.
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.
Who won the 2025 French Open men's singles title? Answer with the surname only.
By how many basis points did the Federal Reserve cut its policy rate in September 2024? Answer with the whole number only.
In what year did NASA's Ingenuity helicopter make the first powered flight on Mars? Answer with the four-digit year only.
Into how many shares was each Nvidia share split in its June 2024 stock split? Answer with the whole number only.
Kamala Harris won Pennsylvania in the 2024 US presidential election. Answer true or false.
Argentina won the 2022 FIFA World Cup final on a penalty shootout. Answer true or false.
Which planet is home to the storm known as the Great Red Spot? Answer with the planet name only.
In what year did Arm Holdings hold its Nasdaq initial public offering? Answer with the four-digit year only.
Who became chief executive of Intel in March 2025? Answer with the surname only.
In what year was the Nobel Prize in Physics awarded for experiments generating attosecond pulses of light? Answer with the four-digit year only.
How many goals did Spain score in the UEFA Euro 2024 final? Answer with the whole number only.
Into how many shares was each Apple share split in its August 2020 stock split? Answer with the whole number only.
How many chromosomes does a typical human body (somatic) cell contain? Answer with the whole number only.
Who became leader of the UK Conservative Party in November 2024? Answer with the surname only.
Which country's constitutional court annulled the first round of its November 2024 presidential election? Answer with the country name only.
JD Vance was Donald Trump's running mate in 2024. Answer true or false.
Lehman Brothers was rescued by a US government bailout in 2008. Answer true or false.
In what year did the Black Monday crash, when the Dow fell about 22.6 percent in one day, happen? Answer with the four-digit year only.
Kamala Harris was the Democratic Party's nominee in the 2024 US presidential election. Answer true or false.