MATH PUZZLE: Can you replace...
[2664] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 285 - The first user who solved this task is Erkain Mahajanian
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 285
The first user who solved this task is Erkain Mahajanian.
#brainteasers #math #riddles
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Catching Cows

More than anything, Bob wanted to be a cowpoke. Taking pity on him, a rancher decided to hire the lad and give him a chance.
"This," he said, showing him a rope, "is a lariat. We use it to catch cows."
"I see," said Bob, trying to seem knowledgeable as he examined the lariat. "And what do you use for bait?"

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File factory

In 1864, a U.S. patent for a machine for cutting files was issued to William Nicholson of Providence, R.I. (No. 42,216). This machine was put to use in the first successful U.S. file factory, the Nicholson File Company (1864). Prior to the Civil War, Nicholson had a machine tool business, at which time he developed his ideas on machine file making and built his first file cutting machine. He went to Europe, which at that time supplied most of the files used in America, and studied this industries, including the manufacture and treatment of steel. He opened his plant with the hope of developing to a production of 300 dozen files per day. The goal was not easily met, until he proved the quality of his files matched those made by hand.
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