There are four three-digit n...
[4811] There are four three-digit n... - There are four three-digit numbers that share this property: the number itself, its double and its triple contain each digit from 1 to 9 exactly once. For example, 192 is one of them because 192, 384, 576 contain 1 to 9 each once. 273 is another one of them because 273, 546, 819 contain 1 to 9 each once. Can you find the other two numbers and calculate the product of these two numbers? - #brainteasers #math #riddles - Correct Answers: 23 - The first user who solved this task is Djordje Timotijevic
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There are four three-digit n...

There are four three-digit numbers that share this property: the number itself, its double and its triple contain each digit from 1 to 9 exactly once. For example, 192 is one of them because 192, 384, 576 contain 1 to 9 each once. 273 is another one of them because 273, 546, 819 contain 1 to 9 each once. Can you find the other two numbers and calculate the product of these two numbers?
Correct answers: 23
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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Subway Party

Two small-town merchants were visiting New York City for the first time to attend a conference.

There was a large party thrown, with lots of food and drink. At the end of the party, they both staggered outside.

One guy crossed the street, while the other stumbled into a subway entrance.

When the 1st guy reached the other side of the street, he noticed the other emerging from the subway stairs.

"Where ya been?"

he slurred.

"I don't know," gushed the other guy, "but you should see the train set that guy has in his basement!"

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First newspaper weather map

In 1875, Sir Francis Galton published the first newspaper weather map - in The Times, London, England - now a standard feature in newspapers worldwide. He was the first to identify the anticyclone (as opposed to the cyclone), and introduced the use of charts showing areas of similar air pressure, as used on the modern weather map. Galton also devised several novel and ingenious mechanical instruments for recording information about the weather, while working at the Kew Observatory. He was also active as an explorer, anthropologist, statistician and criminologist. Galton was the first to place the study of fingerprints for identification on a scientific basis and so lay the groundwork for their use in criminal cases.[Image: Earlier work by Galton: a synchronous weather map of England drawn for 16 Jan 1861]
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