BRAIN TEASERS

# MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (2, 3, 5, 9, 21, 24, 28, 55, 58, 62) 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.
The first user who solved this task is Nílton Corrêa De Sousa.
#brainteasers #math #magicsquare

### Boss Wants Too Much

For thirty years, Johnson had arrived at work at 9A.M. on the dot. He had never missed a day and was never late.
Consequently, when on one particular day 9 A.M. passed without Johnson's arrival, it caused a sensation. All work ceased, and the boss himself, looking at his watch and muttering, came out into the corridor.
Finally, precisely at ten, Johnson showed up, clothes dusty and torn, his face scratched and bruised, his glasses bent. He limped painfully to the time clock, punched in, and said, aware that all eyes were upon him, "I tripped and rolled down two flights of stairs in the subway. Nearly killed myself."
And the boss said, "And to roll down two flights of stairs took you a whole hour?"
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### Florence Nightingale

Died 13 Aug 1910 at age 90 (born 12 May 1820). English nurse and statistician, “The Lady With The Lamp,” who established modern nursing practice. Her contributions to public health included developing methods of applying and displaying statistics to demonstrate the need for improvements. Her mission began from experience during the Crimean War as a nurse at British hospital in Turkey. There she witnessed appalling conditions endured by the sick: overcrowding, poor sanitation, lack of basic supplies, even malnutrition. With determination and influence, by the war's end in Jul 1856, she improved the comfort of the patients, increased efficiency and reduced the death toll. Throughout her life, she continued to advocate reform in the military medical system, supported by her compelling, novel graphical display of statistics and advice on hospital planning and organization.«
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