Calculate the number 1999
[7071] Calculate the number 1999 - NUMBERMANIA: Calculate the number 1999 using numbers [2, 3, 7, 6, 79, 322] 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 Nílton Corrêa de Sousa
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Calculate the number 1999

NUMBERMANIA: Calculate the number 1999 using numbers [2, 3, 7, 6, 79, 322] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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How was your game, dear?

"How was your game, dear?" asked Jack's wife Tracy. 
"Well, I was hitting pretty well, but my eyesight's gotten so bad I couldn't see where the ball went," he answered. 
"But you're 75 years old, Jack!" admonished his wife, "Why don't you take my brother Scott along?" 
"But he's 85 and doesn't play golf anymore," protested Jack. 
"But he's got perfect eyesight. He would watch the ball for you," Tracy pointed out. 
The next day Jack teed off with Scott looking on. Jack swung and the ball disappeared down the middle of the fairway. "Do you see it?" asked Jack. 
"Yup," Scott answered. 
"Well, where is it?" yelled Jack, peering off into the distance. 
"I forgot."
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Vacuum cleaner

In 1901, a dust removing suction cleaner patented was filed by Hubert Cecil Booth, a bridge engineer (U.K. No. 17,433). Prior machines using compressed air created clouds of dust, but with no means of removal, the dirt simply settled again. Once struck with the idea of using suction, Booth made a preliminary experiment by placing a pocket handkerchief over the plush back of a seat. He put his lips to it, and after sucking, a ring of black spots on the handkerchief proved his principle. He started a mobile cleaning service. Built on a horse-drawn cart, his vacuum machine had an engine driving a pump provided with a long hose to extend into a house to be cleaned. An early task was to clean the great blue coronation carpet in Westminster Abbey for Edward VII's coronation.
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