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 ...

Only the "genius" top two per cent of people can solve this "impossible" problem, a maths professor has said. A Facebook user who goes by the name of "Professor_1o1math" on the social media platform ...