1,073 accepted97% rate24.2 hours
In what year did the Tata Group take back control of Air India from the government? Answer with the four-digit year only.
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.
In what year did Alexei Leonov perform the first spacewalk? Answer with the four-digit year 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 Virgin Atlantic operate its first flight? Answer with the four-digit year only.
In what year did the Panama Canal open? 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.
In what year did London Heathrow's Terminal 5 open? Answer with the four-digit year only.
In what year did Edwin Hubble publish the relation between galaxy distance and recession velocity? Answer with the four-digit year only.
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.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
In what year was the kilogram redefined in terms of the Planck constant, taking effect on 20 May? Answer with the four-digit year only.
What is the capital of the US state of Pennsylvania? Answer with the city name only.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
What is the largest moon in the Solar System? Answer with the name only.
What is the capital of Finland? Answer with the city name only.