Calculate the number 407
[3890] Calculate the number 407 - NUMBERMANIA: Calculate the number 407 using numbers [4, 3, 4, 8, 36, 299] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 27 - The first user who solved this task is Eugenio G. F. de Kereki
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Calculate the number 407

NUMBERMANIA: Calculate the number 407 using numbers [4, 3, 4, 8, 36, 299] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 27
The first user who solved this task is Eugenio G. F. de Kereki.
#brainteasers #math #numbermania
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Little Johnny attended a horse...

Little Johnny attended a horse auction with his father. He watched as his father moved from horse to horse, running his hands up and down the horse's legs and rump, and chest. After a few minutes, Johnny asked, "Dad, why are you doing that?"
His father replied, "Because when I'm buying horses, I have to make sure that they are healthy and in good shape before I buy."
Johnny, looking worried, said, "Dad, I think the UPS guy wants to buy Mom..."
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Edison patent

In 1904, Thomas A. Edison was issued a patent for an" Electrical Automobile" (No. 750,102) designed with a driving motor that may be conveniently and effectively utilized for the purpose of charging the batteries. Thus a small steam engine, preferable of the turbine type, was connected to the armature of an electric motor. By reversing the rotation of the motor-armature, the electric motor converts to a generator for charging the batteries. A clutch then is used to disconnect the motor from the driving wheels during charging (or, the wheels could be jacked up during the charging operation). In usual operation, the motor ran from storage batteries to power the carriage.
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