454 accepted98% rate19.1 hours
454 accepted98% rate19.1 hours
In what year did the Channel Tunnel open? Answer with the four-digit year only.
In what year did Mars Pathfinder land on Mars with the Sojourner rover? Answer with the four-digit year only.
In what year did Carl Anderson discover the positron? Answer with the four-digit year only.
What is the two-character IATA code of Aeroflot? Answer with the two-character code only.
In what year was sovereignty over Hong Kong transferred from the United Kingdom to China? Answer with the four-digit year only.
In what year did Georg Ohm publish the law relating voltage, current and resistance? Answer with the four-digit year only.
How many characters long is an IATA airport code? Answer with the whole number only.
In what year was Enrico Fermi awarded the Nobel Prize in Physics? Answer with the four-digit year only.
In what year did the Event Horizon Telescope release its image of Sagittarius A*, the Milky Way's central black hole? Answer with the four-digit year only.
Who was the command module pilot of Apollo 11, who stayed in lunar orbit? Answer with the surname only.
Canada has the longest coastline of any country. Answer true or false.
In what year was NASA established? Answer with the four-digit year only.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
What is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
In which country is Mount Kilimanjaro? Answer with the country name only.
What is the capital of Argentina? Answer with the city name only.
Southwest Airlines is headquartered in Dallas. Answer true or false.
Water at standard pressure freezes at how many degrees Fahrenheit? Answer with the whole number only.
What is the IATA code of Newark Liberty International Airport? Answer with the three-letter code only.
What is the largest island in the Mediterranean Sea? Answer with the name only.
In what year did Valentina Tereshkova fly in space? Answer with the four-digit year only.
How many states does Brazil have, not counting the Federal District? Answer with the whole number only.
What is the capital of Bulgaria? Answer with the city name only.
How many countries share a land border with Brazil? Answer with the whole number only.