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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Paul F. Tompkins: Name in Print

I do not understand why people write letters to magazines. It accomplishes nothing; its pointless. [If] you want to see your name in print that bad, write on a piece of paper and look at it: Ah, there it is. Just as I always dreamed.
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Lewis Henry Morgan

Died 17 Dec 1881 at age 63 (born 21 Nov 1818).American ethnologist and a principal founder of scientific anthropology, known especially for establishing the study of kinship systems and for his comprehensive theory of social evolution. Morgan discovered that the Indians in North America had some kinship patterns in common with each other. He was the first person to classify the kinship system of relationship in The Indian Journals (1859-62). Morgan's work was the foundation for the new world view of genetic explanation, cultural evolution or social Darwinism, in Houses and House-life of the American Aborigines (1865). He also brought to the people's attention the organization of the ancient Greeks and Romans was the same as the clan organization of the Indian tribes.
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