Calculate the number 250
[799] Calculate the number 250 - NUMBERMANIA: Calculate the number 250 using numbers [2, 5, 1, 7, 57, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 37 - The first user who solved this task is Sanja Šabović
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Calculate the number 250

NUMBERMANIA: Calculate the number 250 using numbers [2, 5, 1, 7, 57, 138] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 37
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Let There Be Light

I was sitting at a bar and asked the bartender where I could find a prostitute.
He told me to go to the back door, down the dark alley and give the woman there 20 bucks.
So I go outside and hand a 20 to the woman there and started getting busy. After a few minutes, a cop walks past and shines a flashlight on us and says 'What the hell are you doing?'
I said 'Having sex with my wife.' He said 'I'm sorry, I didn't realize that was your wife.'
and I said, 'Neither did I till you shined a light on her.'

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Johan Gottlieb Gahn

Born 19 Aug 1745; died 8 Dec 1818 at age 73.Swedish mineralogist and crystallographer who was born in an iron-ming town, and followed mining as a career. At the copper mine in Falun, he improved smelting methods and the use of by-products. He discovered manganese (1774), and also selenium. Gahn assisted his friend Carl Wilhelm Scheele (discoverer of chlorine) in finding phosphoric acid in bones. His limited published work included essays on the balance and use of the blowpipe as a convenient analytical tool. During the American Revolutionary War, one of his companies supplied copper for sheathing ships. Gahnite, a dark green to brown or black mineral, (ZnAl2O4), also called zinc spinel was named after Gahn.
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