Find number abc
[4947] Find number abc - If a491b + 12cc1 = 9cbac find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 37 - The first user who solved this task is Djordje Timotijevic
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Find number abc

If a491b + 12cc1 = 9cbac find number abc. Multiple solutions may exist.
Correct answers: 37
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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The Gift

On the first day of school, the children brought gifts for their teacher. The florist's son brought the teacher a bouquet of flowers. The candy-store owner's daughter gave the teacher a pretty box of candy. Then the liquor-store owner's son brought up a big, heavy box. The teacher lifted it up and noticed that it was leaking a little bit. She touched a drop of the liquid with her finger and tasted it.
"Is it wine?" she guessed.
"No," the boy replied. She tasted another drop and asked, " Champagne ?
"No," said the little boy... "It's a puppy!"

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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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