Calculate 4+20
[2395] Calculate 4+20 - If 1+5=18, 2+10=36, 3+15=54 then, 4+20=? - #brainteasers #math #riddles - Correct Answers: 265 - The first user who solved this task is Roxana zavari
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Calculate 4+20

If 1+5=18, 2+10=36, 3+15=54 then, 4+20=?
Correct answers: 265
The first user who solved this task is Roxana zavari.
#brainteasers #math #riddles
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Christmas tree search

There were two blondes who went deep into the frozen woods searching for a Christmas tree.
After hours of subzero temperatures and a few close calls with hungry wolves, one blonde turned to the other and said, "I'm chopping down the next tree I see. I don't care whether it's decorated or not!"
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Hans Goldschmidt

Born 18 Jan 1861; died 25 May 1923 at age 62.German chemist who invented the thermite (alumino-thermic) process which was adopted worldwide for welding railroad and streetcar rails, and is still in use for on-site welding. The first track so welded was laid in Essen. This method evolved from his Goldschmidt reduction process that he began investigating in 1893 for the preparation of carbon-free metals. He used the reactions of oxides of certain metals with aluminum to yield aluminum oxide and the free metal. It has been applied to separate chromium, manganese, and cobalt from their oxide ores. Goldschmidt was also a co-inventor of sodium amalgam. His father, Theodor Goldschmidt, founded Chemische Fabrik Th. Goldschmidt which became the modern company, Degussa.«
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