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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Boss Issues

A boss was complaining in a staff meeting the other day that he wasn't getting any respect. Later that morning he went to a local sign shop and bought a small sign that read, "I'm the Boss". He then taped it to his office door.
Later that day when he returned from lunch, he found that someone had taped a note to the sign that said. "Your wife called, she wants her sign back!"

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Metre

In 1793, the first definition was made for the metre: one ten-millionth of the northern quadrant of the Paris meridian (5,132,430 toises of Paris, from the north pole to the equator). The definition was tweaked based on a second measure made along the Dunkirk-Barcelona axis (5,130,740 toises of Paris) and made legal by the French National Assembly on 7 Apr 1795. The toise was six French feet, 76.74 English inches, a pre-metric measure, from Latin tendere, to stretch (implying the distance between fingertips of a man's arms stretched horizontally sideways, similar to the English fathom). In the Middle Ages, “the toise of Paris” was an iron bar with two tabs, fixed in a wall at the foot of the staircase of the Grand Châtelet in Paris.«
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