BRAIN TEASERS

# MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (6, 10, 15, 25, 29, 31, 34, 35, 38, 40, 49, 69) 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 Fazil Hashim.
#brainteasers #math #magicsquare

### A plane leaves Los Angeles air...

A plane leaves Los Angeles airport under the control of a Jewish captain. His copilot is Chinese. It's the first time they've flown together, and an awkward silence between the two seems to indicate a mutual dislike.
Once they reach cruising altitude, the Jewish captain activates the auto-pilot, leans back in his seat, and mutters, "I don't like Chinese."
"No like Chinese?" asks the copilot, "Why?"
"You people bombed Pearl Harbor, that's why!"
"No, no," the co-pilot protests, "Chinese not bomb Peahl Hahbah! That Japanese, not Chinese."
"Japanese, Chinese, Vietnamese... doesn't matter, you're all alike!"
There's a few minutes of silence...
"I no like Jews either!" the copilot suddenly announces.
"Oh yeah, why not?" asks the captain.
"Jews sink Titanic."
"What? That's insane! Jews didn't sink the Titanic!" exclaims the captain, "It was an iceberg!"
"Iceberg, Goldberg, Greenberg, Rosenberg ...no mattah... all same."
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## Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

### Frozen fish

In 1927, frozen fish fingers were patented in the UK by Clarence Birdseye of Gloucester, Mass. He claimed "Improvements in Methods of Preparing Fish Foods," specifically using the flesh of "cleaned fresh fish" (UK patent 257,222). As a trapper and biologist in Labrador (1912-15), Birdseye had noticed that fish and caribou meat frozeb for months tasted as good as fresh food. Slow freezing of food produces large ice crystals, which when thawed produces a very soggy material. However, he realized fish exposed in the sub-zero temperature of Labrador froze solid almost immediately froze solid. At home in his laboratory he tried for eight years to recreate the effects of nature until he developed a satisfactory commercial system of quick freezing. *
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