MAGIC SQUARE: Calculate A+B-C
[7433] MAGIC SQUARE: Calculate A+B-C - The aim is to place the some numbers from the list (11, 14, 18, 27, 30, 34, 36, 65, 68, 72) 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: 2
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MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (11, 14, 18, 27, 30, 34, 36, 65, 68, 72) 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: 2
#brainteasers #math #magicsquare
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Grandpa: boy, how many miles d...

Grandpa: boy, how many miles do you walk to school?
Boy: about a half mile.
Grandpa: when I was your age I walked eight miles to school every day. Boy, what are your grades like?
Boy: they are mostly B's.
Grandpa: when I was your age I got all A's. Boy, have you ever gotten into a fight?
Boy: only two times and the boy beat me up.
Grandpa: When I was your age I was in a fight every day. Boy, how old are you?
Boy: 9 years old.
Grandpa: when I was your age I was 11
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Early radio demonstration hacked

In 1903, a demonstration of the Marconi radio communications system at the Royal Institution, London, was hacked by Nevil Maskelyne. Physicist John Ambrose Fleming was lecturing to give the public their first demonstration of wireless communication. Italian radio pioneer Guglielmo Marconi was at his clifftop radio station in Poldhu, Cornwall, 300 miles away, preparing to send a Morse code signal. Though the audience was unaware of it, the assistant tending the receiving apparatus found it was already tapping out the word “Rats,” repeatedly. Then it mocked, “There was a young fellow of Italy, who diddled the public quite prettily...” and more. An adversary, music hall magician Neville Maskelyne was interrupting using a transmitter in a nearby hall, to make the point of security flaws in radio messaging.«[Ref: Paul Marks, 'Dot-Dash-Diss', New Scientist, 27 Dec 2011.]
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