MAGIC SQUARE: Calculate A-B+C
[5851] MAGIC SQUARE: Calculate A-B+C - The aim is to place the some numbers from the list (1, 4, 10, 21, 22, 24, 29, 30, 64, 69, 72, 78) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A-B+C. - #brainteasers #math #magicsquare - Correct Answers: 15 - The first user who solved this task is Nílton Corrêa De Sousa
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (1, 4, 10, 21, 22, 24, 29, 30, 64, 69, 72, 78) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A-B+C.
Correct answers: 15
The first user who solved this task is Nílton Corrêa De Sousa.
#brainteasers #math #magicsquare
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Shrinking Clothes

Pete went into the doctor's office for his annual checkup, and the Doc asked if there was anything unusual he should know about.

So Pete told the Doc that his suit must have shrunk over the last year, because it didn't fit when he went to get ready for a wedding recently.

The Doc said, "Suits don't shrink just sitting in a closet. You probably put on a few pounds."

"That's just it, Doc, I know I haven't gained a single pound since the last time I wore it."

"Well, then," said Doc, "You must have a case of Furniture Disease."

"What in the world is Furniture Disease?" asked Pete.

"That's when your chest starts sliding down into your drawers.".

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Black American patent

In 1897, a U.S. patent for an improvement in "Casting Composite or Other Wheels" was issued to black American inventor E.R. Robinson (No. 594,286). It gave a method for casting wheels wherein the outer sides are of one metal and the interior portions are of another metal. The importance was not only to enable casting a metal of high electrical conductivity, such as brass, in a groove of an iron trolley wheel - but also to permit an entirely new contruction consisting of two outer disks or flanges and an intermediate, uniting portion, which extends from the contact portion of the wheel with a web extending to the centre and an integral bushing. Robinson also held a previous patent, issued four years earlier, for an "electric railway trolley."[Image: plan view of bottom section of a wheel three-part mold]
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