Calculate the number 2140
[1845] Calculate the number 2140 - NUMBERMANIA: Calculate the number 2140 using numbers [5, 7, 9, 1, 25, 177] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 41 - The first user who solved this task is Sanja Šabović
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Calculate the number 2140

NUMBERMANIA: Calculate the number 2140 using numbers [5, 7, 9, 1, 25, 177] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 41
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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A passenger in a taxi leaned o...

A passenger in a taxi leaned over to ask the driver a question and tapped him on the shoulder. The driver screamed, lost control of the cab, nearly hit a bus, drove up over the curb, and stopped just inches from a large plate glass window.

For a few moments everything was silent in the cab, and then the still shaking driver said, "I'm sorry but you scared the daylights out of me."

The frightened passenger apologized to the driver and said he didn't realize a mere tap on the shoulder could frighten him so much.

The driver replied, "No, no, I'm sorry, it's entirely my fault. Today is my first day driving a cab. I've been driving a hearse for the last 25 years."

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U.S. iron mill

In 1817, the first U.S. mill to roll and puddle iron was opened. Plumstock Rolling Mill, built by pioneer ironmaster Isaac Meason (15 Aug 1743 - 23 Jan 1818), stood at Redstone Creek, Pennsylvania. A puddling furnace reduces the carbon content in cast iron to produce malleable iron. The mill produced wrought iron by roll milling rather than than hammer forging. It was destroyed by floods in 1824. Meason had led the iron and steel industry since 1791 when he establishing the first commercially successful iron furnace and forge west of the Alleghenies. A rich man, he eventually owned 20,000 acres of land, six iron furnaces, toll ferries and bridges, two sawmills, grist mills, the entire town of New Haven and property in Kentucky.«[Image: Isaac Meason commissioned architect Adam Wilson to build his Georgian-style mansion (1802), which is now a National Historic Landmark.]
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