MAGIC SQUARE: Calculate A-B*C
[5042] MAGIC SQUARE: Calculate A-B*C - The aim is to place the some numbers from the list (10, 11, 13, 14, 17, 20, 22, 23, 29, 73, 89) 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: 20 - The first user who solved this task is Thinh Ddh
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MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (10, 11, 13, 14, 17, 20, 22, 23, 29, 73, 89) 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: 20
The first user who solved this task is Thinh Ddh.
#brainteasers #math #magicsquare
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Chess Day jokes

International Chess Day is celebrated on 20 July. Check out some funny Chess jokes!

Patient: Doctor whenever I cough it sounds like this 'pawn, bishop, queen.
Doctor: Sounds like you have a chess infection.

I played my friend in a game of chess.
She did not think that she could win but she wanted to check anyway.

When Australian chess players finish their meals in the restaurant...
they say, "Cheque, mate."

Life is like a game of chess.
I can't play chess.

Why is the white bishop piece in chess the fastest?
Because it's on F1.

A girl comes across a guy playing chess against a dog.
She's very impressed with what she sees and says:
"What a clever dog!"
To which the man responds:
"No, no, he isn't that clever...
I'm leading three games to one!"

Where do chess players like to go to look for a bargain?
The pawnshop.

How did the king lose his home?
One of the horses took his castle.

Which knight always gave up at chess?
Sir Render.

Why do chess pieces look so uninterested?
They’re part of a bored game.

Why should you ever have lunch with a chess player?
It takes them ages to pass the salt.

Why did the chess player win the disco competition?
They had all the right moves.

When the King started telling a bedtime story to all the chess pieces, he said ...
"Once a pawn a time..."

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Magnetising metals

In 1744, Gowan Knight presented his research on magnetising metals to the Royal Society. The method he discovered for permanently magnetising hard steels. The use of steel instead of soft iron greatly improved the otherwise crude compass needles used by England's Royal Navy, which then had a much longer magnetized life. Knight took out a patent for his compass in 1766. He devised better ways to suspend compass needles, and introduced the rhomboid shape now common for compass needles.Reference: Philosophical Trans., No. 474, p. 161
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