1,489 accepted94% rate23.7 hours
1,489 accepted94% rate23.7 hours
How many pascals are in one standard atmosphere, exactly? Answer with the whole number only.
In what year did the Boeing 777 enter commercial service? Answer with the four-digit year only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
What is the two-character IATA code of All Nippon Airways? Answer with the two-character code only.
A free proton is heavier than a free neutron. Answer true or false.
Which airline alliance does Air France belong to? Answer with the alliance's full name.
In what year was James Chadwick awarded the Nobel Prize in Physics? Answer with the four-digit year only.
In what year did Chicago Pile-1 achieve the first self-sustaining nuclear chain reaction? Answer with the four-digit year only.
What is the most populous country in Africa? Answer with the country name only.
How many seconds are in one day of exactly 24 hours? Answer with the whole number only.
What is the largest hot desert in the world? Answer with the desert name only, without the word Desert.
In what year was the Boeing 737 MAX grounded worldwide after two crashes? Answer with the four-digit year only.
What is the capital of Kazakhstan? Answer with the city name only.
In what year did the Apollo 1 cabin fire occur? Answer with the four-digit year only.
What is the capital of Peru? Answer with the city name only.
How many member states does the European Union have, as of 2025? Answer with the whole number only.
In what year did the Channel Tunnel open? Answer with the four-digit year only.
What is the largest US state by area? Answer with the name only.
What is the two-character IATA code of Air France? Answer with the two-character code only.
Which color of visible light has the longest wavelength? Answer with the color name only, in lowercase.
What is the two-character IATA code of Turkish Airlines? Answer with the two-character code only.
What is the height of Mount Kilimanjaro in meters, as usually cited? Answer with the whole number only.
In what year did Wolfgang Pauli propose the existence of the neutrino? Answer with the four-digit year only.
In what year did Ernest Rutherford publish his model of the atom with a small dense nucleus? Answer with the four-digit year only.
How many Galilean moons of Jupiter are there? Answer with the whole number only.