Calculate the number 1281
[4666] Calculate the number 1281 - NUMBERMANIA: Calculate the number 1281 using numbers [2, 4, 1, 5, 72, 715] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 18 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1281

NUMBERMANIA: Calculate the number 1281 using numbers [2, 4, 1, 5, 72, 715] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 18
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Brave captain

One fine day, brave Captain Smith and his crew of sailors were sailing the ocean blue.

Suddenly, on the horizon, there loomed a ship with a skull and crossbones raised on the mast.

The crew was frantic, seeking refuge and asking the captain what to do.

Brave Captain Smith looked at the approaching ship for a moment and said, "Bring me my red shirt."

The call was taken up at once by a cabin boy. As soon as Captain Smith had the shirt in his possession, he ordered the man at the wheel to head straight for the pirate ship.

In the ensuing fight, the pirate ship was all but destroyed.

The sailors were recounting their individual triumphs afterwards when someone asked Captain Smith why he had asked for his red shirt before the battle.

He responded: "If I was wounded, I did not want your confidence to wane. This way, you would keep fighting no matter what happened to me."

The crew had a new found admiration for its captain, and they talked all night about his bravery.

About a week later, there loomed on the horizon 10 pirate ships. Once again, the crew looked to its captain for leadership.

Calmly, Captain Smith said, "Boys, bring me my brown pants!"

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Lewis Urry

Died 19 Oct 2004 at age 77 (born 29 Jan 1927).Lewis Frederick Urry was a Canadian-American chemical engineer who invented the ubiquitous alkaline batteries and, later, lithium batteries. After a few years working in Canada for the company that made Eveready batteries, he was transferred in 1955 to its Cleveland, Ohio, laboratory where he began work on a new battery with better life-span than the carbon-zinc type of the time. He succeeded by using manganese dioxide, an alkaline electrolyte and powdered zinc (which he realized had greater surface area than solid zinc). A patent was filed 9 Oct 1957, issued 15 Nov 1960, No. 2,960,558. Production began in 1959. Alkaline batteries are estimated to be 80% of all dry cell batteries now sold in the world. The Smithsonian Institution displays his prototype alkaline battery. Urry held over 50 patents.«
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