MAGIC SQUARE: Calculate A*B-C
[7098] MAGIC SQUARE: Calculate A*B-C - The aim is to place the some numbers from the list (4, 5, 12, 13, 14, 17, 21, 31, 32, 39) 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: 3
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (4, 5, 12, 13, 14, 17, 21, 31, 32, 39) 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: 3
#brainteasers #math #magicsquare
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A 6th Grade Teacher Asks a Question

A 6th-grade teacher posed the following problem to one of her arithmetic classes:
“A wealthy man dies and leaves ten million dollars.
One-fifth is to go to his wife, one-fifth is to go to his son, one-sixth to his butler, and the rest to charity.
Now, what does each get?”
After a very long silence in the classroom, one little boy raised his hand.
With complete sincerity in his voice, answered, “A lawyer!”

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Prospero Alpini

Died 23 Nov 1616 at age 63 (born 23 Nov 1553).Italian botanist and physician who is credited with the introduction to Europe of coffee and bananas. He made an extensive study of Egyptian and Mediterranean flora. He spent three years in Egypt, and from a practice in the management of date-trees, which he observed in that country, he seems to have deduced the doctrine of the sexual difference of plants, which was adopted as the foundation of the Linnaean system. He says that "the female date-trees or palms do not bear fruit unless the branches of the male and female plants are mixed together; or, as is generally done, unless the dust found in the male sheath or male flowers is sprinkled over the female flowers." He is reputed to have been the first to fertilize date palms. He died on his birthday.
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