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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Miraculous Golf Shot

Two men are standing on a golf course. The first one steps up, tees his first ball, and positions himself for a swing. The man lifts his club, swings smoothly down and smacks the ball into the air. It sails off in a nice, long arc, but as it comes down the two men can see that it's heading straight for the water trap.

Just then, a wind picks up, and a lily pad is blown directly into the ball's path. The ball lands on the lily pad, and after a few seconds a frog hops up onto the pad, grabs the ball in its mouth, jumps off the pad and swims for shore.

When the frog reaches dry land, it spits out the ball, and no sooner has it disappeared into the water than a squirrel comes running up to the ball, grabs it in its paws, and scampers off across the grass. But before it can reach the trees, a hawk swoops down out of nowhere, grabs the squirrel in its talons, and begins to climb back up into the sky. Panicked and struggling to get free, the squirrel releases the ball from its paws, and with the altitude and speed gained from the hawk, the ball sails down in a long, clean fall straight into the hole. Hole in one.

The second man turns to the first, and says "OK, God. Are you going to play golf or are you going to fuck around?"

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Jan H. Oort

Died 5 Nov 1992 at age 92 (born 28 Apr 1900).Jan Hendrik Oort was a Dutch physicist and astronomer, one of the most important figures in 20th-century efforts to understand the nature of the Milky Way Galaxy, who measured the rotation of the earth's galaxy and hypothesized an "Oort Cloud." In 1927 Oort analyzed motions of distant stars, found evidence for differential rotation and founded the mathematical theory of galactic structure. After World War II, he led the Dutch group which used the 21-cm line to map hydrogen gas in the Galaxy. They found the large-scale spiral structure, the galactic center, and gas cloud motions. In 1950 Oort proposed the now generally accepted model for the origin of comets. He continued researching galaxies until shortly before his death at 92.
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