Find number abc
[2805] Find number abc - If a5baa - a33b5 = ac77 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 80 - The first user who solved this task is Roxana zavari
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Find number abc

If a5baa - a33b5 = ac77 find number abc. Multiple solutions may exist.
Correct answers: 80
The first user who solved this task is Roxana zavari.
#brainteasers #math
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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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Dry-cell patent

In 1887, German scientist, Dr. Carl Gassner, was issued a U.S. patent (No. 373,064), the first in the U.S. for a “dry” cell. Gassner had already patented his invention in Germany (No. 37,758) on 8 Apr 1886, and also in Austria, Belgium, England, France and Hungary in the same year. The sealed zinc shell which contained all the chemicals was also the negative electrode. Later, he improved the shelf life of the battery by adding zinc chloride to the electrolyte to reduce corrosion of the zinc shell. Gassner's battery was much like the carbon-zinc, general-purpose batteries sold today. By 1896, the National Carbide Company (later Union Carbide and Eveready) produced the first consumer dry cell battery. Two years later, the company made the first D cell.«[Image: The six-inch, 1.5 volt Columbia Dry Cell marketed by NCC in 1896.]
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