Replace the question mark with a number
[3987] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 69 - The first user who solved this task is Thinh Ddh
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 69
The first user who solved this task is Thinh Ddh.
#brainteasers #math #riddles
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Republican or Democrat?

A woman in a hot air balloon realized she was lost. She lowered her altitude and spotted a man in a boat below. She shouted to him, “Excuse me, can you help me? I promised a friend I would meet him an hour ago, but I don't know where I am.” The man consulted his portable GPS and replied, “You're in a hot air balloon, approximately 30 feet above a ground elevation of 2346 feet above sea level. You are at 31 degrees, 14.97 minutes north latitude and 100 degrees, 49.09 minutes west longitude.

She rolled her eyes and said, “You must be a (political party).” “I am,”replied the man. “How did you know?” “Well,” answered the balloonist, everything you told me is technically correct, but I have no idea what to do with your information, and I'm still lost. Frankly, you've not been much help to me.”

The man smiled and responded, “You must be a (political party).” “I am,”replied the balloonist. “How did you know?” “Well,” said the man, “you don't know where you are or where you're going. You've risen to where you are, due to a large quantity of hot air. You made a promise that you have no idea how to keep, and you expect me to solve your problem. You're in exactly the same position you were in before we met but, somehow, now it's my fault.”

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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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