What number comes next?
Look at the series (538, 403, 120, ?), determine the pattern, and find the value of the next number!Correct answers: 69
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
BoronIn 1808, the isolation of the element boron was announced* by French chemist, Joseph Louis Gay-Lussac, nine days ahead of Englishman Humphry Davy who independently separated boron and made his announcement on 30 Jun 1808.«[Image: ] |