Calculate the number 3616
[4209] Calculate the number 3616 - NUMBERMANIA: Calculate the number 3616 using numbers [4, 9, 4, 6, 53, 254] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 18 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 3616

NUMBERMANIA: Calculate the number 3616 using numbers [4, 9, 4, 6, 53, 254] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 18
The first user who solved this task is Djordje Timotijevic.
#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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John Dollond

Born 10 Jun 1706; died 30 Nov 1761 at age 55.English optical instrument maker of optical and astronomical instruments who developed (1758) and patented an achromatic (non- colour- distorting) refracting telescope and a practical heliometer, a telescope used to measure the Sun's diameter and the angles between celestial bodies. In the 1730's, Chester More Hall, an attorney with an interest in telescopes, first discovered that flint glass appeared to have a greater color dispersion than crown glass did at the same magnifications. Hall reasoned that if he cemented the concave face of a flint glass lens to the convex face of a crown glass lens, he could remove the dispersion properties (and thus, chromatic aberration) from both lenses simultaneously. Dollond learned of the technique in the 1750's and developed it.
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