Calculate the number 9159
[6222] Calculate the number 9159 - NUMBERMANIA: Calculate the number 9159 using numbers [9, 7, 9, 8, 78, 534] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 10 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 9159

NUMBERMANIA: Calculate the number 9159 using numbers [9, 7, 9, 8, 78, 534] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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A 60-year-old man went to the...

A 60-year-old man went to the doctor for a check-up. The doctor told him, "You're in terrific shape. There's nothing wrong with you. Why, you might live forever. You have the body of a 35 year old. By the way, how old was your father when he died?"
The 60 year old responded, "Who said he was dead?"
The doctor was surprised and asked, "How old is he and is he very active?"
The 60 year old responded, "Well, he is 82 years old and he still goes skiing three times a season and surfing three times a week during the summer."
The doctor couldn't believe it. "Well, how old was your grandfather when he died?"
The 60 year old responded again, "Who said he was dead?"
The doctor was astonished. He said, "You mean to tell me you are 60 years old and both your father and your grandfather are alive? Is your grandfather very active?"
The 60 year old said, "He goes skiing at least once a season and surfing once a week during the summer. Not only that," said the patient, "my grandfather is 106 years old, and next week he is getting married again."
The doctor said, "At 106 years old, why on earth would your grandfather want to get married?"
His patient looked up at the doctor and said, "Who said he wanted to?"
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Ernst Heinrich Weber

Died 26 Jan 1878 at age 82 (born 24 Jun 1795).German anatomist and physiologist whose fundamental studies of the sense of touch introduced a concept, important to psychology and sensory physiology, that of the "just-noticeable difference", the smallest difference perceivable between two similar stimuli. With his brother Eduard Friedrich Weber (1806-71) he discovered the inhibitory power of the vagus nerve (1845). With another brother, W. E. Weber, he made studies of acoustics and wave motion. He formuled Weber's law: that the increase in stimulus necessary to produce an increase in sensation is not fixed but depends on the strength of the preceding stimulus.
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