BRAIN TEASERS
Monthly Archive - August 2019

Monthly Archive - August 2019

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Which is a winning combination of digits?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 25
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 877

NUMBERMANIA: Calculate the number 877 using numbers [7, 1, 2, 1, 15, 866] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (4, 5, 7, 10, 11, 13, 23, 24, 26, 88) 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: 10
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare

Ex-Girlfriend

A man and his wife are dining at a table in a plush restaurant, and the husband keeps staring at a drunken lady swigging her drink as she sits alone at a nearby table.
The wife asks, "Do you know her?"
"Yes," sighs the husband, "she's my ex-girlfriend. I understand she took to drinking right after we split up seven years ago, and I hear she hasn't been sober since."
"My God!" says the wife. "Who would think a person could go on celebrating that long?"

Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If aac67 - 2b20c = b26a9 find number abc. Multiple solutions may exist.
Correct answers: 14
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 18
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5613

NUMBERMANIA: Calculate the number 5613 using numbers [6, 9, 4, 2, 31, 597] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 6
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 75849 + 856ac = b6b479 find number abc. Multiple solutions may exist.
Correct answers: 15
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math
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Find the right combination

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 16
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 362

NUMBERMANIA: Calculate the number 362 using numbers [5, 5, 1, 7, 20, 279] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
[link]

MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (11, 12, 17, 30, 31, 36, 44, 68, 69, 74) 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: 10
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Alois Senefelder

Died 26 Feb 1834 at age 62 (born 6 Nov 1771).Johann Nepomuk Franz Alois Senefelder was a German inventor who developed lithography. To publish his own work, he needed a less expensive and more efficient printing alternative to relief printed hand set type or etched plates. His invention was the biggest revolution in the printing industry since Johannes Gutenberg's movable type. Today photo lithography is used to print magazines and books, but the original process of drawing by hand on litho stones still exists in the fine art world. The traditional surface for lithography is Bavarian limestone, regrained by hand for each use. The principle is simple: oil based printing ink and water repel each other. The image is drawn with greasy crayon and chemically treated. The image areas of the stone accept ink and undrawn areas will reject it.
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