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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A little hard of hearing!

A 92 year-old man went to the Doctor to get a physical. A few days later the Dr. saw the man walking down the street with a gorgeous young lady on his arm.

A couple of days later the Dr. talked to the man and said, "You're really doing great, aren't you?"

The man replied, "Just doing what you said Doctor, 'Get a hot mamma and be cheerful."

The Doctor said, "I didn't say that. I said you got a heart murmur. Be careful."

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Leo Hendrik Baekeland

Born 14 Nov 1863; died 23 Feb 1944 at age 80. Leo Henricus Arthur Baekeland was a Belgian-American industrial chemist who invented the first thermosetting plastic, Bakelite, that did not soften when heated. His first successful invention was Velox (in the 1890's), a photographic paper that could be used with artificial light rather than sunlight, which he sold in 1899 to George Eastman for $1 million. He then experimented to find a synthetic substitute for shellac, a useful insulator of wires in electric coils. Eventually, he was able to control heat and pressure for a formaldehyde-phenol reaction. By 1909, he displayed the world's first fully synthetic plastic, which could be used not only for insulators, but moulded into buttons, knobs and countless other items. With this patented product, he helped found the modern plastics industry.«
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