MAGIC SQUARE: Calculate A+B-C
[4513] MAGIC SQUARE: Calculate A+B-C - The aim is to place the some numbers from the list (21, 25, 31, 33, 37, 43, 48, 55, 59, 65, 87) 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: 34 - The first user who solved this task is Djordje Timotijevic
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (21, 25, 31, 33, 37, 43, 48, 55, 59, 65, 87) 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: 34
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #magicsquare
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Bathtub

It doesn't hurt to take a hard look at yourself from time to time, and this should help get you started.
During a visit to the mental asylum, a visitor asked the director what the criterion was that defined whether or not a patient should be institutionalized.
"Well," said the Director, "we fill up a bathtub, then we offer a teaspoon, a teacup and a bucket to the patient and ask him or her to empty the bathtub."
"Oh, I understand," said the visitor. "A normal person would use the bucket because it's bigger than the spoon or the teacup."
"No," said the Director, "A normal person would pull the plug. Do you want a room with or without a view?"

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Sir Robert Abbott Hadfield

Born 28 Nov 1858; died 30 Sep 1940 at age 81.English metallurgist (Baronet) who developed manganese steel, an alloy of exceptional durability that found uses in the construction of railroad rails and rock-crushing machinery. Hadfield discovered manganese steel in 1882. It was hardened by quenching it in water from a temperature of a thousand degrees centigrade. The hard steel was to be used in the manufacture of tram wheels. He patented his work in 1883-4 but continued to carry out further experiments before publicising his findings in 1888, which were supported by a lecture tour. The first World War provided new markets for manganese steel: spur armour plate and shells, tank treads and soldier's helmets. By 1919, Hadfields Steel Foundry Co. Ltd. were Sheffield's biggest employers.[DSB and EB give birth date as 28 Nov 1858. Current Bio. gives 29 Nov 1858.]
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