MAGIC SQUARE: Calculate A-B+C
[6903] MAGIC SQUARE: Calculate A-B+C - The aim is to place the some numbers from the list (14, 17, 23, 25, 26, 28, 34, 61, 64, 70) 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: 11 - The first user who solved this task is Nasrin 24 T
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (14, 17, 23, 25, 26, 28, 34, 61, 64, 70) 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: 11
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #magicsquare
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The devil herself

A fellow’s wife was very worried about her husband’s heavy drinking and one night she decided to give him a fright. She draped herself in a white sheet and went down to the local cemetery, knowing that her husband was in the habit of taking a shortcut through it on his way home from the pub. It was not long before he came staggering along, and out she jumped from behind a headstone.

“Ooooooo!” she wailed, “I am the devil!”

Her husband sticks out his hand. “Put it there, pal,” he says, “I’m married to your sister.”

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African-American patents an ironing board

In 1892, a U.S. patent for a specialized “Ironing Board” was issued to the black American inventor, Sarah Boone, likely a former slave (No. 473,653). Her design featured a quite narrow padded board, curved to make it easier to iron sleeves. Numerous patents were issued before hers with similar titles. The first patent designated specifically as an “Ironing Table” was issued several decades earlier, in 1858, to W. Vandenburg and J. Harvey (No. 19,390). Unpatented styles evolved from long long before that, so no single inventor can be identified for the earliest ironing board. For example, J.H. Mallory's “Ironing Table,” patented 24 Oct 1871 (No. 120,296) more closely resembles today's adjustable-height, collapsible model.«
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