1,120 accepted95% rate20.0 hours
1,120 accepted95% rate20.0 hours
In what year did the Boeing 747 enter commercial service? Answer with the four-digit year only.
Jupiter is the largest planet in the Solar System. Answer true or false.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code only.
In what year was Star Alliance founded? Answer with the four-digit year only.
In what year did Yuri Gagarin become the first human in space? Answer with the four-digit year only.
Sydney is the capital of Australia. Answer true or false.
In what year was the core module of the Mir space station launched? Answer with the four-digit year only.
Who unified electricity, magnetism and light in a set of equations in the 1860s? Answer with the surname only.
What is the two-character IATA code of Cathay Pacific? Answer with the two-character code only.
In what year did LIGO record GW150914, the first direct detection of gravitational waves? Answer with the four-digit year only.
In what year was Voyager 1 launched? Answer with the four-digit year only.
Lufthansa is headquartered in France. Answer true or false.
Saturn's average density is lower than that of water. Answer true or false.
What is the longest river in Asia? Answer with the English river name only, without the word River.
What is the SI unit of electrical resistance? Answer with the unit name only, in lowercase.
Which founder of Blue Origin also founded Amazon? Answer with the surname only.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
How many sovereign countries are there in South America? Answer with the whole number only.
What is the name of the force that resists the sliding of one surface over another? Answer with the one-word name only, in lowercase.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
How many Space Shuttle orbiters flew in space? Answer with the whole number only.
What is the highest mountain in South America? Answer with the name only.
In what year did Henri Becquerel discover radioactivity? Answer with the four-digit year only.
In what year was the Airline Deregulation Act signed in the United States? Answer with the four-digit year only.