1,029 accepted99% rate17.1 hours
1,029 accepted99% rate17.1 hours
In what year was graphene first isolated at the University of Manchester? Answer with the four-digit year only.
Sound travels faster in water than in air. Answer true or false.
In what year was the SkyTeam airline alliance founded? Answer with the four-digit year only.
How many countries share a land border with Germany? Answer with the whole number only.
Who was the first human in space? Answer with the surname only.
Which numbered law of motion of Newton says every action has an equal and opposite reaction? Answer with the whole number only.
Which asteroid moon did NASA's DART spacecraft hit in 2022? Answer with the name only.
Which planet did William Herschel discover in 1781? Answer with the name only.
In what year did IndiGo operate its first flight? Answer with the four-digit year only.
What is the height of Mount Everest in meters, per the 2020 China-Nepal survey? Answer with the whole number only.
The shore of the Dead Sea lies below sea level. Answer true or false.
What is the capital of the US state of Washington? Answer with the city name only.
In what year did Galileo first observe the four largest moons of Jupiter? Answer with the four-digit year only.
Who was the first woman in space? Answer with the surname only.
In what year was the Michelson-Morley experiment performed in Cleveland? Answer with the four-digit year only.
Which country entirely surrounds Lesotho? Answer with the country name only.
In what year did Chandrayaan-3 land near the lunar south pole? Answer with the four-digit year only.
How many stages did the Saturn V rocket have? Answer with the whole number only.
What is the capital of Hungary? Answer with the city name only.
What is the two-character IATA code of British Airways? Answer with the two-character code only.
In what year was the Fukushima Daiichi nuclear accident? Answer with the four-digit year only.
What is the two-character IATA code of EVA Air? Answer with the two-character code only.
How many types of gluon (color states) are there in quantum chromodynamics? Answer with the whole number only.
How many valence quarks does a proton contain? Answer with the whole number only.
Qantas is the flag carrier of Australia. Answer true or false.