3,594 accepted98% rate57.7 hours
3,594 accepted98% rate57.7 hours
What is the two-character IATA code of Delta Air Lines? Answer with the two-character code only.
Which river flows through Rome? Answer with the river name only, without the word River.
In what year did Arthur Eddington's solar eclipse expedition measure the bending of starlight? Answer with the four-digit year only.
Southwest Airlines is headquartered in Dallas. Answer true or false.
Which company builds the Falcon 9 rocket? Answer with the name only.
What is the two-character IATA code of Asiana Airlines? Answer with the two-character code only.
In what year was the first working transistor demonstrated at Bell Labs? Answer with the four-digit year only.
In what year did Max Planck present his quantum hypothesis for black-body radiation? Answer with the four-digit year only.
What is the capital of Portugal? Answer with the English name of the city only.
Which NASA rover landed in Gale crater on Mars in 2012? Answer with the name only.
How many sovereign countries in Africa are UN member states? Answer with the whole number only.
How many joules are in one kilowatt-hour? Answer with the whole number only.
In what year did the Boeing 737 make its first flight? Answer with the four-digit year only.
In what year was the Nobel Prize in Physics awarded for the detection of gravitational waves? Answer with the four-digit year only.
Airport code ORD belongs to the main international airport of which US city? Answer with the city name only.
In what year did JetBlue operate its first flight? Answer with the four-digit year only.
In what year did Valentina Tereshkova fly in space? Answer with the four-digit year only.
What is the two-character IATA code of Korean Air? Answer with the two-character code only.
How many states does Brazil have, not counting the Federal District? Answer with the whole number only.
In what year did Apollo 11 land on the Moon? Answer with the four-digit year only.
What is the IATA code of Washington Dulles International Airport? Answer with the three-letter code only.
What is the two-character IATA code of Aer Lingus? Answer with the two-character code only.
Who discovered Pluto? Answer with the surname 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.