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1,486 accepted99% rate17.2 hours
In what year was Emirates airline founded? Answer with the four-digit year only.
In what year was Aeroflot founded? Answer with the four-digit year only.
In what year did Hawaii become a US state? Answer with the four-digit year only.
In what year did Paul Dirac publish his relativistic equation for the electron? Answer with the four-digit year only.
In what year did Alaska Air Group complete its acquisition of Hawaiian Airlines? Answer with the four-digit year only.
What is the exact defined speed of light in vacuum, in meters per second? Answer with the whole number only.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
In what year did the Chelyabinsk meteor explode over Russia? Answer with the four-digit year only.
How many astronauts flew on Apollo 11? Answer with the whole number only.
What is the capital of Pakistan? Answer with the city name only.
In what year was KLM founded? Answer with the four-digit year only.
In what year was CERN founded? Answer with the four-digit year only.
In what year was Tata Airlines, which became Air India, founded? Answer with the four-digit year only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
In what year did Clyde Tombaugh discover Pluto? Answer with the four-digit year only.
How many provinces does Canada have? Answer with the whole number only.
Which US airline did Herb Kelleher co-found? Answer with the one-word name only, without the word Airlines.
How many engines does the Boeing 747 have? Answer with the whole number only.
In what year did Theodore Maiman demonstrate the first working laser? Answer with the four-digit year only.
In what year did the United States purchase Alaska from Russia? Answer with the four-digit year only.
In what year did Albert Einstein die? Answer with the four-digit year only.
What is the flag carrier airline of the Netherlands? Answer with the airline name only.
The Celsius and Fahrenheit scales show the same reading at minus how many degrees? Answer with the number without the minus sign.
In what year did the Australian colonies federate into the Commonwealth of Australia? Answer with the four-digit year only.
What is the highest mountain in North America? Answer with its official name only, one word.