What number should replace the X to the magic square?
[632] What number should replace the X to the magic square? - What number should replace the X to the magic square? Author: Nebojsa Jevtovic - #brainteasers #math #riddles #magicsquare - Correct Answers: 60 - The first user who solved this task is Sanja Šabović
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What number should replace the X to the magic square?

What number should replace the X to the magic square? Author: Nebojsa Jevtovic
Correct answers: 60
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles #magicsquare
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Switched Inputs

For a computer programming class, I sat directly across from someone, and our computers were facing away from each other. A few minutes into the class, she got up to leave the room. I reached between our computers and switched the inputs for the keyboards. She came back and started typing and immediately got a distressed look on her face. She called the teacher over and explained that no matter what she typed, nothing would happen.
The teacher tried everything. By this time I was hiding behind my monitor and quaking red-faced. I started to type, "Leave me alone!" They both jumped back, silenced. "Whaa??" the teacher blubbered.
Then I typed, "I said leave me alone!" The kid got really upset. "I didn't do anything to it, I swear!" It was all I could do to keep from laughing out loud. The conversation between them and HAL 2000 went on for an amazing five minutes.
Me: "Don't touch me!"
Her: "I'm sorry, I didn't mean to hit your keys that hard."
Me: "Who do you think you are anyway?!" Etc.
Finally, I couldn't contain myself any longer and fell out of my chair laughing. After they had realised what I had done, they both turned beet red. Funny, I never got more than a C- in that class.
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Edison patent

In 1924, Thomas A. Edison was issued a patent for a “Method of Producing Chlorinated Rubber” (U.S. No. 1,495,580), which claimed to be more economical than earlier methods. Natural rubber readily degrades and becomes brittle in the presence of oxygen or ozone in the air. Chlorine is used to replace some hydrogen atoms in the surface molecules of the rubber making it more stable. Edison's method treated very thin rubber strips in a chamber with chlorine gas mixed with the vapour of a highly chlorinated solvent of rubber such as carbon tetrachloride to soften the rubber surface for increased penetration by the gaseous chlorine, followed by other processing. In his patent, Edison envisioned further processing it with naphthaline and fillers, for use as a tough, hard veneer for phonograph records or cylinders.«
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