BRAIN TEASERS
Monthly Archive - February 2026

Monthly Archive - February 2026

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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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: 2
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#brainteasers #mastermind
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Calculate the number 7832

NUMBERMANIA: Calculate the number 7832 using numbers [1, 6, 7, 4, 35, 749] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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 (3, 14, 15, 16, 25, 26, 27, 68, 71, 72, 73) 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: 0
CHECK ANSWER
#brainteasers #math #magicsquare

Newly Issued Alcohol Warnings


The Toronto Board of Health has proposed that warning signs be placed on all alcohol bottles to tip off drinkers about the possible peril of drinking a pint or two of any alcoholic beverage.
1. WARNING: Consumption of alcohol may cause you to wake up with a breath that could knock a buzzard off a wreaking dead animal that is one hundred yards away.
2. WARNING: Consumption of alcohol is a major factor in dancing like an idiot.
3. WARNING: Consumption of alcohol may cause you to tell the same boring story over and over again until your friends want to assault you
4. WARNING: Consumption of alcohol may cause you to thay shings like thish.
5. WARNING: Consumption of alcohol may cause you to tell the boss what you really think of him.
6. WARNING: Consumption of alcohol is the leading cause of inexplicable rug burn on the forehead.
7. WARNING: Consumption of alcohol may create the illusion that you are tougher, handsomer and smarter than some really, really big guy named Psycho Bob.
Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If 1b1a0 + 21b02 = acca2 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1691

NUMBERMANIA: Calculate the number 1691 using numbers [3, 9, 6, 6, 73, 845] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 34acc + ba42a = 52b2a find number abc. Multiple solutions may exist.
Correct answers: 0
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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1762

NUMBERMANIA: Calculate the number 1762 using numbers [7, 1, 9, 3, 46, 223] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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 (1, 5, 10, 11, 15, 18, 19, 23, 49, 50, 54) 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: 0
CHECK ANSWER
#brainteasers #math #magicsquare
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George David Birkhoff

Died 12 Nov 1944 at age 60 (born 21 Mar 1884).American mathematician,foremostof the early 20th century, who formulated the ergodic theorem. As the first American dynamicist, Birkhoff picked up where Poincaré left off, gaining distinction in 1913 with his proof of Poincaré's Last Geometric Theorem, a special case of the 3-body problem. Although primarily a geometer, he discovered new symbolic methods. He saw beyond the theory of oscillations, created a rigorous theory of ergodic behavior, and foresaw dynamical models for chaos. His ergodic theorem transformed the Maxwell- Boltzmann ergodic hypothesis of the kinetic theory of gases (to which exceptions are known) into a rigorous principle through use of the Lebesgue measure theory. He also produced a mathematical model of gravity.
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