Calculate the number 800
[5143] Calculate the number 800 - NUMBERMANIA: Calculate the number 800 using numbers [3, 2, 5, 2, 72, 145] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 20 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 800

NUMBERMANIA: Calculate the number 800 using numbers [3, 2, 5, 2, 72, 145] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 20
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Shirt Pocket

A businessman entered a tavern, sat down at the bar, and ordered a double martini on the rocks. After he finished the drink, he peeked inside his shirt pocket, then he ordered another double martini. After he finished that one, he again peeked inside his shirt pocket and ordered another double martini.
Finally, the bartender said, "Look, buddy, I'll bring ya' martinis all night long. But you gotta tell me why you look inside your shirt pocket before you order a refill."
The customer replied, "I'm peeking at a photo of my wife. When she starts to look good, then I know it's time to go home."

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Alexander Parkes

Born 29 Dec 1813; died 29 Jun 1890 at age 76.British industrial chemist who invented many processes. Parkes was an expert in electroplating, able to silver-plate such diverse objects as a spider web and flowers. He patented a method of rubber coating fabrics to waterproof them (1841), an electroplating process (1843), and a method of extracting silver from lead ore by adding zinc (1850). He produced the first plastic (1855), which he called Parkesine, by dissolving cellulose nitrate in alcohol and camphor containing ether. The hard solid result could be molded when heated, but he could find no market for the material. (This was rediscovered in the 1860s by John Wesley Hyatt, an American chemist, who named it celluloid and successfully marketed it as a replacement for ivory.«
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