Calculate the number 5389
[6017] Calculate the number 5389 - NUMBERMANIA: Calculate the number 5389 using numbers [7, 7, 1, 7, 27, 750] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 9 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 5389

NUMBERMANIA: Calculate the number 5389 using numbers [7, 7, 1, 7, 27, 750] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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Where ya from, Sam?

A man lay sprawled across three entire seats in a theater. When the usher came by and noticed this, he whispered to the man, "Sorry, sir, but you're only allowed one seat." The man groaned but didn't budge. The usher became impatient.

"Sir," the usher said, "if you don't get up from there I'm going to have to call the manager."

Again, the man just groaned, which infuriated the usher who turned and marched briskly back up the aisle in search of his manager. In a few moments, both the usher and the manager returned and stood over the man. Together the two of them tried repeatedly to move him, but with no success. Finally, they summoned the police.

The cop surveyed the situation briefly then asked, "All right buddy, what's your name?" "Sam," the man moaned. "Where ya from, Sam?" the cop asked.

And with pain in his voice, Sam replied, "The balcony."

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Edison phonograph

In 1877, Thomas Alva Edison, though this date is often given as the date of a finished model of his first phonograph, may have actually only made a sketch. Some correspondence in Sep 1877 suggests Edison was at work on his ideas for what became his cylinder phonograph, though construction of a working model may not have begun until 4 Dec, according to the diary of one of Edison's aides. Indeed, Edison did not file for the patent until 24 Dec 1877. The idea came to him while working on a telegraph transmitter, when he noticed that when the tape of the machine was played at high speed, it gave off a noise resembling spoken words. After experimenting with a needle attached to the diaphragm of a telephone receiver to prick paper tape to record a message, his idea evolved to using a stylus on a tinfoil cylinder.«[Image: Sketch dated 20 Nov 1877 given to machinist John Kruesi to make the world's first cylinder phonograph.]
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