Calculate the number 2487
[3610] Calculate the number 2487 - NUMBERMANIA: Calculate the number 2487 using numbers [9, 6, 2, 4, 74, 153] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 28 - The first user who solved this task is Fazil Hashim
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Calculate the number 2487

NUMBERMANIA: Calculate the number 2487 using numbers [9, 6, 2, 4, 74, 153] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 28
The first user who solved this task is Fazil Hashim.
#brainteasers #math #numbermania
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Dalmatian's Duties

A nursery school teacher was delivering a station wagon full of kids home one day when a fire truck zoomed past. Sitting in the front seat of the fire truck was a Dalmatian dog. The children began discussing the dog's duties.

"They use him to keep crowds back," said one youngster.

"No," said another. "He's just for good luck."

A third child brought the argument to a close with this comment: "They use the dogs," she said firmly, "to find the fire hydrants."

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Lathe

In 1819, a U.S. patent for a profile lathe was issued to Thomas Blanchard of Middlebury, Connecticut. It was capable of manufacturing irregular forms, such as gun stocks. His machine used a friction-wheel to follow the surface of a sample pattern and a cutting wheel on the same shaft which would thus carve the workpiece to the same contour. It could produce the work of 13 operators, and thus provided the finished materials at much less cost. After inventing a tack-making machine at his brother's factory, Blanchard was recruited by the U.S. Armory at Springfield, Mass. to build machines to efficiently produce gun parts. Congress twice extended this patent, first to 1834, then to 1848, giving a total of 42 years in force.*
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