1,448 accepted99% rate19.9 hours
1,448 accepted99% rate19.9 hours
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 did Niels Bohr publish his model of the hydrogen atom? Answer with the four-digit year only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
How many provinces does Canada have? Answer with the whole number only.
What is the two-character IATA code of Etihad Airways? Answer with the two-character code only.
How many engines does the Boeing 747 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.
What is the flag carrier airline of the Netherlands? Answer with the airline name only.
In what year did the United States purchase Alaska from Russia? Answer with the four-digit year only.
Whose constant, symbol h, relates a photon's energy to its frequency? Answer with the surname only.
In what year did Albert Einstein die? Answer with the four-digit year only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number only.
The Celsius and Fahrenheit scales show the same reading at minus how many degrees? Answer with the number without the minus sign.
What is the capital of New Zealand? Answer with the city name only.
In what year did Apollo 13 suffer its oxygen tank explosion? Answer with the four-digit year only.
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.
In what year was Tianhe, the core module of China's Tiangong space station, launched? Answer with the four-digit year only.
Who led the team that built Chicago Pile-1, the first nuclear reactor? Answer with the surname only.
What is the two-character IATA code of Qatar Airways? Answer with the two-character code only.
In what year did Hayabusa2 return its asteroid Ryugu samples to Earth? Answer with the four-digit year only.
What is the two-character IATA code of Qantas? Answer with the two-character code only.
Marie Curie won Nobel Prizes in both physics and chemistry. Answer true or false.