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# Calculate the number 5225

NUMBERMANIA: Calculate the number 5225 using numbers [5, 3, 1, 6, 25, 656] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania

### An armless man walked into a b...

An armless man walked into a bar which is empty except for the bartender.
He ordered a drink and when he was served, asked the bartender if he would get the money from his wallet in his pocket, since he has no arms.
The bartender obliged him. He then asked if the bartender would tip the glass to his lips.
The bartender did this until the man finished his drink. He then asked if the bartender would get a hanky from his pocket and wipe the foam from his lips.
The bartender did it and commented it must be very difficult not to have arms and have to ask someone to do nearly everything for him.
The man said, "Yes, it is a bit embarrassing at times. By the way, where is your restroom?"
The bartender quickly replies, "The closest one is in the gas station three blocks down the street."
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### Heinrich Barkhausen

Born 2 Dec 1881; died 20 Feb 1956 at age 74.Heinrich Georg Barkhausen was a German physicist who discovered the Barkhausen effect (1919), a principle concerning changes in the magnetic properties of metal. His work in acoustics and magnetism led to the discovery that magnetization affects whole domains of a ferromagnetic material, rather than individual atoms alone. He discovered that a slow, smooth increase of a magnetic field applied to a piece of ferromagnetic material, such as iron, causes it to become magnetized, not continuously but in minute steps. With Karl Kurz, he developed the Barkhausen- Kurz oscillator (1920) for ultrahigh frequencies (forerunner of the microwave tube), leading to understanding of the principle of velocity modulation. He is also known for experiments on shortwave radio transmissions.
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