Calculate the number 8173
[6932] Calculate the number 8173 - NUMBERMANIA: Calculate the number 8173 using numbers [8, 5, 7, 4, 30, 620] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 11 - The first user who solved this task is Nasrin 24 T
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Calculate the number 8173

NUMBERMANIA: Calculate the number 8173 using numbers [8, 5, 7, 4, 30, 620] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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What does two plus two equal?

A mathematician, a statistician and an accountant apply for the same job. The interviewer calls in the mathematician and asks "What does two plus two equal?"

The mathematician replies "Four." The interviewer asks "Four, exactly?" The mathematician looks at the interviewer incredulously and says "Yes, four, exactly."

Then the interviewer calls in the statistician and asks the same question "What does two plus two equal?" The statistician says "On average, four - give or take ten percent, but on average, four."

Then the interviewer calls in the accountant and poses the same question "What does two plus two equal?"

The accountant gets up, locks the door, closes the shade, sits down next to the interviewer and says "What do you want it to equal?"

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World's first public electricity

In 1881, the Godalming town council in Surrey, England, voted to have the world's first public electricity supply. The contract expired that day with a gas company that lit the community's high street. I instead of renewing that contract at a cost of £210 a year, the council accepted an offer from Calder & Barrett for £195. Earlier in the week, the mayor and councillors saw a demonstration of electrical lighting by that firm, and had inspected the generating plant. The AC generator was driven by a water-wheel on the River Wey at one of the leather mills owned by John Pullman. It could supplied lighting to the mill, street, and some businesses and homes. Though the Thames Embankment in London had arc lamps a couple of years earlier, Godalming preceded Edison's first public supply scheme in London in Jan 1882.«[Aside: Jack Phillips (1887-1912), Chief Wireless Operator on the Titanic, learned Morse code working at Godalming Post Office.]
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