Calculate the number 1239
[4099] Calculate the number 1239 - NUMBERMANIA: Calculate the number 1239 using numbers [5, 8, 5, 4, 67, 935] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 28 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1239

NUMBERMANIA: Calculate the number 1239 using numbers [5, 8, 5, 4, 67, 935] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 28
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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A man walks into a pharmacy an...

A man walks into a pharmacy and wanders up and down the aisles. The sales girl notices him and asks him if she can help him. He answers that he is looking for a box of tampons for his wife. She directs him down the correct aisle.
A few minutes later, he deposits a huge bag of cottonballs and a ball of string on the counter.
The sales girl says, confused, "Sir, I thought you were looking for some tampons for your wife?"
He answers, "You see, it's like this, yesterday, I sent my wife to the store to get me a carton of cigarettes, and she came back with a tin of tobacco and some rolling papers; cause it's so-o-o much cheaper. So, I figure if I have to roll my own... so does she."
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Frederick Gardner Cottrell

Born 10 Jan 1877; died 16 Nov 1948 at age 71.American educator and scientist who invented the industrial electrostatic precipitator (1907), which eliminates suspended particles from streams of gases. He patented the “Art of Separating Suspended Particles from Gaseous Bodies” (No. 895,729). To electrochemists, he is best known for the Cottrell equation. Electrostatic precipitators are still widely used to reduce air pollution by smoke from power plants and dust from cement kilns and other industrial sources. Cottrell contributed to the development of a process for the separation of helium from natural gas, and also was instrumental in establishing the synthetic ammonia industry in the U.S. during attempts to perfect a high temperature process for formation of nitric oxide.
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