Calculate the number 7539
[7001] Calculate the number 7539 - NUMBERMANIA: Calculate the number 7539 using numbers [5, 8, 2, 1, 65, 913] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 8 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 7539

NUMBERMANIA: Calculate the number 7539 using numbers [5, 8, 2, 1, 65, 913] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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A note from mom...

John, a well-to-do bachelor, invited his mother over for dinner one night. During the meal, Mom couldn't help notice how attractive and shapely the house keeper was, and wondered if there was more going on than meets the eye. John sensing what his mother was thinking said to her "I know what you're thinking, Mom, but I assure you my relationship with the house keeper is purely professional."

A week later, the house keeper told John that ever since his mother's visit a silver gravy ladle has been missing. John sent his mother a note which said, "Mom, I'm not saying you did take the gravy ladle, and I'm not saying you didn't, but the fact remains one has been missing since you were here".

A few days later he receives a note from his mother. "John: I'm not saying you sleep with your house keeper, nor am I saying you're not. But the fact remains that if she were sleeping in her own bed she would have found the gravy ladle by now. Love, Mom".

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Wallace Clement Sabine

Died 10 Jan 1919 at age 50 (born 13 Jun 1868).Wallace Clement Ware Sabine was an American physicist who founded the science of architectural acoustics. After experimenting in the Fogg lecture room at Harvard, to investigate the effect of absorption on the reverberation time, on 29 Oct 1898 he discovered the type of relation between these quantities. The duration T of the residual sound to decay below the audible intensity, starting from a 1,000,000 times higher initial intensity is given by: T = 0.161 V/A (V=room volume in m³, A=total absorption in m². The first auditorium Sabine designed applying his new insight in acoustics, was the new Boston Music Hall, formally opened on 15 Oct 1900. Now known as the Symphony Hall, and still considered one of the world's three finest concert halls.
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