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560 accepted100% rate4.8 hours
In what year did Valentina Tereshkova fly in space? 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.
What is the two-character IATA code of Aer Lingus? 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 was Richard Feynman awarded the Nobel Prize in Physics? Answer with the four-digit year only.
What is the capital of Bulgaria? Answer with the city name 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 were Francois Englert and Peter Higgs awarded the Nobel Prize in Physics? Answer with the four-digit year only.
What was the call sign of the Apollo 11 command module? Answer with the name only.
What is the SI unit of radioactivity? Answer with the unit name only, in lowercase.