Calculate the number 668
[6521] Calculate the number 668 - NUMBERMANIA: Calculate the number 668 using numbers [9, 7, 8, 3, 76, 320] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 10 - The first user who solved this task is Nasrin 24 T
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Calculate the number 668

NUMBERMANIA: Calculate the number 668 using numbers [9, 7, 8, 3, 76, 320] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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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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File factory

In 1864, a U.S. patent for a machine for cutting files was issued to William Nicholson of Providence, R.I. (No. 42,216). This machine was put to use in the first successful U.S. file factory, the Nicholson File Company (1864). Prior to the Civil War, Nicholson had a machine tool business, at which time he developed his ideas on machine file making and built his first file cutting machine. He went to Europe, which at that time supplied most of the files used in America, and studied this industries, including the manufacture and treatment of steel. He opened his plant with the hope of developing to a production of 300 dozen files per day. The goal was not easily met, until he proved the quality of his files matched those made by hand.
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