Calculate the number 3672
[7011] Calculate the number 3672 - NUMBERMANIA: Calculate the number 3672 using numbers [3, 4, 5, 4, 79, 381] 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 Nasrin 24 T
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Calculate the number 3672

NUMBERMANIA: Calculate the number 3672 using numbers [3, 4, 5, 4, 79, 381] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Professional Worrier

David had been extremely anxious for years. It got to the point where his compulsive worrying was ruining his life, so he went to a psychiatrist, who recommended that David hire a professional worrier.
After he'd been working with the specialist for a few months, David's friend John noticed a change. "What happened?" John asked. "You don't worry about anything anymore."
"I hired a professional worrier!" David answered.
"That must cost a fortune," John said.
"Yes, he charges $3,000 a month," David said sheepishly.
"Three thousand dollars! How can you ever afford to pay him?" John exclaimed.
"I don't know," David said. "That's his problem."
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Typewriter

In 1906, U.S. patent No. 830,115 was issued to Robert Eugene Turner of Norfolk, Virginia, for his invention of a "Type Writing Machine,"(typewriter) with a carriage powered by a motor to "return automatically when the end of the writing-line is reached, also to return same by pressing a key-lever on the keyboard to return the carriage at any point of its stroke." Also, line spacing was provided by manual or automatic means. A low-powered motor was adapted to feed the carriage in the printing direction, a high-powered motor for returning the carriage in the reverse direction, and the necessary mechanism to control their action. A buffering mechanism was included to reduce the impact of the returning carriage at the end of its reverse stroke.«[Image: two figures from patent 830,115 showing details of carriage and platen (top) and a sectional elevation of the type writing machine showing the general arrangement of the mechanism.]
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