Counting will get you nowhere. Try a little combinatorics instead. By Kenneth Chang A couple of weeks ago, I wrote about a viral math problem — 8÷2(2+2) = ? — that drew the disdain of many ...
Only the "genius" top two per cent of people can crack this "impossible" problem, according to a maths professor. A Facebook user, known as "Professor_1o1math" on the social media site, shared the ...
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