BRAIN TEASERS

# MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (14, 15, 19, 27, 28, 32, 40, 41, 45, 95) 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

### Back-Up Sensor

Inventor of the automobile back-up Sensor -
I bet you think it was Ford, maybe GM, how about Chrysler? No, then how about Mercedes Benz?
No, not at all, it was a Chinese farmer!
Most of the newest cars have a Back-Up Sensor that warns the driver before the rear bumper actually comes in contact with something. Most people probably think that this valuable feature came out of the minds of great engineers, but it was recently disclosed that the concept was first developed by a Chinese farmer. His invention was simple and effective. It emits a high-pitched squeal when the vehicle backs into something.

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### Efim Isaakovich Zelmanov

Born 7 Sep 1955.Russian mathematician who was awarded the 1994 Fields Medal for his work on combinatorial problems in nonassociative algebra and group theory and particularly his solution of the Restricted Burnside problem. His Ph.D. (1980) Ph.D. thesis was on nonassociative algebra, wherein his treatment extending results from the classical theory of finite dimensional Jordan algebras to infinite dimensional Jordan algebras. In 1887, he showed that the Engel identity for Lie algebras implies nilpotence, in the previously unsolved case of infinite dimensions. The Restricted Burnside problem that he solved was a narrower condition arising out of Burnside's 1902 question whether a finitely generated group in which every element has finite order, is finite.«
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