Calculate the number 958
[7085] Calculate the number 958 - NUMBERMANIA: Calculate the number 958 using numbers [4, 3, 9, 6, 31, 552] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 16
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Calculate the number 958

NUMBERMANIA: Calculate the number 958 using numbers [4, 3, 9, 6, 31, 552] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
#brainteasers #math #numbermania
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A close shave

A man enters a barber shop for a shave.

While the barber is foaming him up, he mentions the problem he has getting a close shave around his cheeks.

"I have just the thing," says the barber taking a small wooden ball from a nearby drawer. "Just place this between your cheek and gum."

The client places the ball in his mouth and proceeds with the closest shave the man has ever experienced.

After a few strokes, the client asks in garbled speech "And what if I swallow it?"

"No problem" says the barber. "Just bring it back tomorrow like everyone else does!"

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Steel-making patent

In 1857, a U.S. patent was issued to William Kelly for Manufacturing of Iron and Steel (No. 17628). Although he had been experimenting with the steel-making process for a few years, he had not patented it until he heard that Henry Bessemer had been granted a patent on a like process. Kelly had not filed first, but he was able to convince the patent office that he was the first to invent the air-blast method of forming steel from iron in a cupula. Kelly thus held rights of priority for his patent. However, Bessemer had important additional steps worked out to mass-produce steel. Bessemer was a businessman and industrialist who made the Bessemer process profitable, but Kelly still benefitted from his share, though smaller, of the vast profits.«[Image: Kelly's converter illustrated from patent diagram, Red arrows indicate the tuyeres through which an air blast is introduced.]
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