Calculate the number 7539
[7001] Calculate the number 7539 - NUMBERMANIA: Calculate the number 7539 using numbers [5, 8, 2, 1, 65, 913] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 8 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 7539

NUMBERMANIA: Calculate the number 7539 using numbers [5, 8, 2, 1, 65, 913] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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Heard in the Friars Barber Shop

A man walks into the Friars barbershop, sits down in the chair and the barber asks, “How do you want your haircut?”
The man says, ” I would like the sideburns one high and one low, a few long hairs sticking out of the back and a few chunks on the side and top.”
The barber looks puzzled and says, “I’m not sure I can do that.”
The customer says, “Why not, you did it that way last time.”

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Waldemar Haffkine

Born 15 Mar 1860; died 25 Oct 1930 at age 70.Waldemar Mordecai Wolfe Haffkine was a Russian-British bacteriologist whoworkedto reduce deaths by cholera. He worked under Émile Roux at the Pasteur Institute in Paris, taking a particular interest in cholera, since epidemics were frequent in Europe. In 1892, he prepared an attenuated strain of cholera culture. He believed in its safely and he tested it on himself after self-injecting a concentrated strain. In 1893, he went to India, where he inoculated 45,000 people to protect them against endemic cholera, despite difficult working conditions, a suspicious population, even with opposition from British medical officials. He reduced the death rate by 70% among those inoculated. He also attempted to produce a vaccine against the plague.
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