Calculate the number 1882
[5240] Calculate the number 1882 - NUMBERMANIA: Calculate the number 1882 using numbers [9, 3, 7, 2, 10, 638] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 21 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1882

NUMBERMANIA: Calculate the number 1882 using numbers [9, 3, 7, 2, 10, 638] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 21
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Walk across the lake

At a family gathering, Fred's father, grandfather, and great-grandfather bragged that they had all been able to walk on water to the bar across the lake for their first legal drinks. So when Fred's 21st birthday came around, he rowed out to the center of the lake, stepped out of the boat, and nearly drowned. Fred climbed back in and went to see his grandmother.

"Grandma," he said, "it's my 21st birthday, so why can't I walk across the lake like my father, his father, and his father before him?"

Granny looked kindly into Fred's eyes and said, "Because they were all born in January, and you were born in August."

Joke found on https://www.sysnative.com/ on Ongoing Joke Thread forum, posted on Jun 6, 2013 by DonnaB

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Vacuum tube

In 1906, Dr. Lee DeForest (26 Aug 1873 - 30 Jun 1961), one of the “fathers of radio,'' announced his three-element electrical vacuum tube (now known as a triode) to a meeting of the American Institute of Electrical Engineers He had discovered that when a mesh, or grid, of wire was placed between the filament and collector “plate” in a diode tube (first made by J. Ambrose Fleming, 1904), a large voltage-amplifying effect could be produced. DeForest patented this vacuum tube on 15 Jan 1907. The ability of this tube to amplifiy weak signals was an invention as great as radio itself, because it made long-distance communication possible.[Image: early DeForest Audion]
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