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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Seal at the mechanic

A penguin takes his car to the shop to have it fixed. While he's waiting, he goes into a cool ice cream shop and eats ice cream. Having flippers instead hands, he gets the ice cream all over himself. He's goes back to the auto shop and asks the mechanic what was wrong with his car.

"Well," says the mechanic, "it looks like you blew a seal."

The penguin replies, "It's just ice cream, I swear!!"

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Donald Forsha Jones

Born 16 Apr 1890; died 19 Jun 1963 at age 73.American geneticist and agronomist whose hybridization methods for corn (maize) enabled an agricultural revolution. Prior methods of single-cross hybridization had disappointing results. In 1917, he invented the double-cross method of hybrid seed production, which solved a problem in producing useful strains that were uniform, true-breeding, while still vigorous and able to give greater yield. Earlier researchers obtained "pure lines" from self-pollination to eliminate the variable results of open-pollinated seeds, then investigated single crosses made between two such pure lines. For double-cross hybrids, Jones used two single-cross strains. By 1959, more than 95% of U.S. corn crops used hybrid seeds, producing twice the yield of 1929.«
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