Calculate the number 1100
[5770] Calculate the number 1100 - NUMBERMANIA: Calculate the number 1100 using numbers [8, 7, 9, 3, 30, 669] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 21 - The first user who solved this task is Thinh Ddh
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Calculate the number 1100

NUMBERMANIA: Calculate the number 1100 using numbers [8, 7, 9, 3, 30, 669] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 21
The first user who solved this task is Thinh Ddh.
#brainteasers #math #numbermania
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Let There Be Light

I was sitting at a bar and asked the bartender where I could find a prostitute.
He told me to go to the back door, down the dark alley and give the woman there 20 bucks.
So I go outside and hand a 20 to the woman there and started getting busy. After a few minutes, a cop walks past and shines a flashlight on us and says 'What the hell are you doing?'
I said 'Having sex with my wife.' He said 'I'm sorry, I didn't realize that was your wife.'
and I said, 'Neither did I till you shined a light on her.'

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Pen

In 1809, the first patent was issued in the U.S. for a metallic writing pen was issued to Peregrine Williamson a jeweller of Baltimore, Maryland. The patent title occurs in summary lists in published books that exist after the fire that consumed all the records at the Patent Office on 15 Dec 1836. Williamson's pens were made of steel rolled from wire, a sort of steel quill that would never need cutting to sharpen the nib. His first attempt did not write well for want of flexibility but that was solved by adding two more slits parallel to the main one. He then had a product that eventually sold so well it kept him and a journeyman employed full-time in a profitable business. There are references to steel pens being used in Britain before this patent.«
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