Calculate the number 2750
[4967] Calculate the number 2750 - NUMBERMANIA: Calculate the number 2750 using numbers [5, 8, 3, 4, 62, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 16 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 2750

NUMBERMANIA: Calculate the number 2750 using numbers [5, 8, 3, 4, 62, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Golf Story

A guy receives an ad in the mail for a golf resort where everything costs one dollar. He jumps at the offer and heads off for a weekend of fun in the sun.
He arrives and plays a round of golf. It cost him a buck. When he goes for dinner that evening, it costs him another buck. His room is only a buck a day!
The day before he's to check out, he heads out to play a last round and stops by the pro shop and charges a sleeve of three balls to his room.
When he's checking out next morning, he looks at the bill and sees:
Golf: $1.00
Dinner: $1.00
Room: $1.00.
Sleeve of golf balls: $3,000.00
He asks the Manager, "What is this all about? Everything is supposed to cost one dollar, and you charged me three thousand for three golf balls?"
"I'm sorry, sir, said the manager, but you didn't read the fine print in our promotional brochure. That's what our golf balls cost."
"Well, said the man, If I wanted to spend that kind of money, I could've gone to that luxury hotel across the street and paid them a thousand dollars a day for a room. At least I would've known what I was paying for!"
"That's right, sir, you could have, said the manager. Over there they get you by the room. Over here we get you by the balls!"
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Carl Auer, Freiherr von Welsbach

Born 1 Sep 1858; died 4 Aug 1929 at age 70.Carl Auer Freiherr (baron) von Welsbach was an Austrian chemist, physicist and engineer whose invention of the gas mantle greatly improved the brightness of light that could be obtained from gas lamps. While doing flame tests to examine the spectrum of certain rare earth compounds, he observed the small beads of test material on a platinum wire became white-hot and incandescent. He then had the idea to soak cotton webbing with a solution of the salts, then burn out the cotton leaving a matrix of the compound. His experiments began with slightly promising results with lanthanum oxide, then a mixture with magnesia. He also tried zirconium oxides and others before adding thorium oxide which made commercially viable mantles. His invention was adopted around the world wherever manufactured gas was available, meaning he had a profitable business improving and manufacturing them.«
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