690 accepted97% of judged
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held by abobasterixster.eth
690 accepted97% rate28.3 hours
How many planets are in the Solar System according to the IAU's 2006 definition? Answer with the whole number only.
What is the nearest large spiral galaxy to the Milky Way? Answer with the name only.
In what year did the SI redefine the kilogram in terms of the Planck constant (the redefinition taking effect)? Answer with the four-digit year only.
Who discovered X-rays in 1895? Answer with the surname only, in plain letters without diacritics.
What is the name of the galaxy that contains the Solar System? Answer with the two-word name only.
Which pigment gives plants their green colour? Answer with the pigment name only, in lowercase.
In what year did Uber hold its initial public offering? Answer with the four-digit year only.
Who founded the Vanguard Group? Answer with the surname only.
Which WhatsApp co-founder was born in Ukraine? Answer with the surname only.
Under what pseudonym was the 2008 Bitcoin white paper published? Answer with the surname only.
Which Netscape co-founder later co-founded the venture firm Andreessen Horowitz with Ben Horowitz? Answer with the surname only.
In what year did WeWork file for Chapter 11 bankruptcy? Answer with the four-digit year only.
The CAC 40 is the benchmark stock index of which country? Answer with the country name only.
In what year did Google acquire YouTube? Answer with the four-digit year only.
Berkshire Hathaway has never split its Class A shares. Answer true or false.
Which Yahoo co-founder was born in Taiwan? Answer with the surname only.
In which Chinese city is Tencent headquartered? Answer with the city name only.
In what year did the Nikkei 225 reach the bubble-era record close it did not surpass until 2024? Answer with the four-digit year only.
In what year did Silicon Valley Bank fail? Answer with the four-digit year only.
Who co-founded Dropbox and has served as its CEO? Answer with the surname only.
Who chaired the US Federal Reserve from 1987 to 2006? Answer with the surname only.
In what year did Google hold its initial public offering? Answer with the four-digit year only.
In what year did the US stock market 'Flash Crash' occur, when the Dow dropped nearly 1,000 points within minutes? Answer with the four-digit year only.
For how many million US dollars did News Corp acquire MySpace's parent company in 2005? Answer with the whole number only.
Who became Chair of the US Federal Reserve in February 2014, the first woman in the role? Answer with the surname only.