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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Saint George and the Dragon

April 23rd is St. George’s Day, named after St. George, the patron saint of England.

A weary traveler in 18th century England, hungry and tired, approached a roadside inn with a sign that read: "Saint George and the Dragon."

He knocked on the door. The innkeeper's wife poked her head out of a window.

"Any chance for a bite to eat?" he inquired.

The woman eyed his ragged, filthy clothes and yelled, "No!"

"May I have a pint of ale?"

"No!" she yelled back.

"Can I at least rest in your stable?"

"No!" she yelled once more.

The traveler tried again, "Could I kindly...?"

"What is it now?" the woman snapped, cutting him off.

"Would it be possible," he asked, "to have a chat with George?"

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Harry Harlow

Died 6 Dec 1981 at age 71 (born 31 Oct 1910).American psychologist who studied the social behaviour and development of monkeys. His research in the areas of learning, motivation, and affection extended understanding in general human and child psychology. He experimented with 6-12 hours old infant monkeys separated from their mothers then provided with an inanimate substitute "mother" made either of wire mesh or cloth providing warmth and food. However, as adults, these deprived monkeys exhibited strange behavioral patterns. Some females were negligent as mothers that did not nurse or comfort their young. The other mothers were abusive, biting or injuring their young, even sometimes causing the baby's death. In 1967, he was awarded the National Medal of Science.
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