BRAIN TEASERS

# MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (10, 12, 13, 15, 16, 21, 24, 50, 51, 59, 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.
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare

### Success

A man was walking along the street when he saw a ladder going into the clouds. As any of us would do, he climbed the ladder. He reached a cloud, upon which sat a rather plump and very ugly woman. "Screw me or climb the ladder to success," she said.
No contest, thought the man, so he climbed the ladder to the next cloud. On this cloud was a slightly thinner woman, who was slightly easier on the eye. "Screw me hard or climb the ladder to success," she said. "Well," thought the man, "might as well carry on."
On the next cloud was an even more attractive lady who, this time, was quite attractive. "Screw me now or climb the ladder to success," she uttered. As he turned her down and went on up the ladder, the man thought to himself that this was getting better the further he went.
On the next cloud was an absolute beauty. Slim, attractive, the lot. "Screw me here and now or climb the ladder to success," she flirted. Unable to imagine what could be waiting, and being a gambling man, he decided to climb again. When he reached the next cloud, there was a 400 pound ugly man, arm pit hair showing, flies buzzing around his head.
"Who are you?" the man asked.
"Hello" said the ugly fat man, "I'm Cess!"

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### Stephen Hales

Born 17 Sep 1677; died 4 Jan 1761 at age 83. English botanist, chemist and physiologist who pioneered the quantitative experimental approach in plant and animal physiology. He was a clergyman whose work in plant physiology, Vegetable Staticks (1787), included early demonstrations of the importance of air and light in plant growth, and of the role of transpiration in causing upward sap flow. He also measured the rates of growth of shoots and leaves and the pressure roots exert on sap, and he investigated plant respiration. Hales was the first to quantitatively measure blood pressure, measured the capacity of the left ventricle of the heart, and the output of the heart per minute. He invented an artificial ventilator that could convey fresh air into prisons, ships' holds, and granaries.[DSB gives date of birth as 17 Sep 1677. EB gives 7/17 Sep 1677.]
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