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Calculate the number 406

NUMBERMANIA: Calculate the number 406 using numbers [3, 7, 8, 4, 27, 807] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 26

The first user who solved this task is Sanja Šabović.

#brainteasers #math #numbermania

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Customer: I've been calling...

Customer: "I've been calling 700-1000 for two days and can't get through. Can you help?"
Operator: "Where did you get that number, sir?"
Customer: "It's on the door of your business."
Operator: "Sir, those are the hours that we are open."

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Sir Frederick Bawden

Born 18 Aug 1908; died 8 Feb 1972 at age 63.Frederick Charles Bawden was an English plant pathologist whose research interest was in plant viruses, and how best to ensure that a farmer could grow healthy and productive crops. With his associates, in 1937, he discovered that the tobacco mozaic virus contained ribonucleic acid (RNA). Nucleic acids were known to be present in all cells, but this was the first time that RNA was observed in a virus, which is a subcellular infectious agent. Nucleic acids have subsequently been found in all identifiable viruses. (Since the tobacco mosaic virus was first identified by Martinus Beijerinck (1898), it has proved particularly amenable to laboratory research.). Bawden travelled a number of times to Africa to help solve problems with diseased crops.«

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