Calculate the number 1838
[6844] Calculate the number 1838 - NUMBERMANIA: Calculate the number 1838 using numbers [4, 6, 5, 2, 68, 223] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 11 - The first user who solved this task is Nasrin 24 T
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Calculate the number 1838

NUMBERMANIA: Calculate the number 1838 using numbers [4, 6, 5, 2, 68, 223] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Change for a $15 bill

An incompentent counterfeiter spent all day making his funny money. At the end of the day he realizes he spent all his time making $15 bills.

He figures that the only way he's going to get anything from this batch of money, is to find a place where the people aren't too bright and change his phoney money for real cash.

He travels to a small town and walks into a small Mom and Pop grocery store. He goes to the old man behind the counter and asks him, "Do you have change for a $15 bill?"

The old man replies, "I sure do...How would you like that? An eight and a seven or two sixes and a three?"

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Cocaine anaesthetic

In 1884, cocaine was first used as a local anaesthetic to immobilize a patient's eye for eye surgery by Carl Koller. His success initiated the modern era of local anesthesia, with cocaine also quickly adopted for nose and throat surgery and for dentistry. For Koller, a Czech-born American ophthalmologist, the clue for this use was when he noticed that cocaine had a numbing effect on the tongue. He made many experiments on animals before introducing its use on humans. Cocaine was isolated in 1859 and was synthesized in 1885. It was later found with high doses or repeated use, it caused erosion of the corneal epithelium in high doses and it was replaced by less toxic, synthetic local anesthetics such as tetracaine and proparacaine.«
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