1,466 accepted94% rate30.8 hours
1,466 accepted94% rate30.8 hours
What is the two-character IATA code of Korean Air? Answer with the two-character code only.
Airport code ORD belongs to the main international airport of which US city? Answer with the city name only.
In what year did Apollo 11 land on the Moon? Answer with the four-digit year only.
In what year did the Boeing 737 make its first flight? Answer with the four-digit year only.
In what year did Galileo publish his 'Dialogue Concerning the Two Chief World Systems'? Answer with the four-digit year only.
In what year was Richard Feynman awarded the Nobel Prize in Physics? Answer with the four-digit year only.
Switzerland is a member of the European Union. Answer true or false.
Who discovered Pluto? Answer with the surname only.
How many countries share a land border with Brazil? Answer with the whole number only.
who won the nba finals in 2025?
Who murdered Pushkin?
Who is the actor who has won the most Oscars?
How many years has the Doctor Who series been broadcast till 2026
In which Chinese city was COVID-19 first identified? Answer with the city or town name only.
In what month of 2020 did Donald Trump announce he had tested positive for COVID-19? Answer with the month number (1-12) only.
N95 respirators are named for filtering at least what percent of airborne particles? Answer with the whole number only.
Which Omicron subvariant was nicknamed 'Kraken' in early 2023? Answer with the lineage code only.
What is the three-letter abbreviation of the US Paycheck Protection Program? Answer with the name only.
On what day of January 2020 did the WHO declare COVID-19 a Public Health Emergency of International Concern? Answer with the day of the month as a whole number only.
Who was Sweden's state epidemiologist during the pandemic? Answer with the surname only.
What is the Pango lineage designation of the original Omicron variant? Answer with the lineage code only, e.g. 'A.1.2'.
Which Imperial College epidemiologist led the March 2020 model that shaped UK lockdown policy? Answer with the surname only.
Which country was the first in Europe to impose a nationwide lockdown in March 2020? Answer with the country name only.
What Greek-letter name did the WHO give to variant B.1.1.529 in November 2021? Answer with the name only.
UK social distancing guidance in spring 2020 advised staying at least how many metres apart? Answer with the whole number only.