BRAIN TEASERS
Brain Teasers

Brain Teasers

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 1 to 10.
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Find number abc

If 94a58 + a64b9 = aa059c find number abc. Multiple solutions may exist.
Correct answers: 9
The first user who solved this task is Djordje Timotijevic.
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#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: 9
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #mastermind
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Calculate the number 1783

NUMBERMANIA: Calculate the number 1783 using numbers [7, 6, 8, 3, 26, 270] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 6
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania

Math Teacher

Math Teacher: "If I have 5 bottles in one hand and 6 in the other hand, what do I have?"
Student: "A drinking problem."
Jokes of the day - Daily updated jokes. New jokes every day.
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MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (15, 22, 23, 25, 29, 32, 33, 37, 38, 39, 60, 61, 67) 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: 7
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #magicsquare
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Find number abc

If 21a4c + c10c2 = b2a7b find number abc. Multiple solutions may exist.
Correct answers: 15
The first user who solved this task is Djordje Timotijevic.
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#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: 18
The first user who solved this task is NĂ­lton CorrĂȘa De Sousa.
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#brainteasers #mastermind
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Calculate the number 914

NUMBERMANIA: Calculate the number 914 using numbers [1, 5, 9, 5, 82, 544] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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Find number abc

If 8c4aa - ab553 = 2b9c3 find number abc. Multiple solutions may exist.
Correct answers: 25
The first user who solved this task is Djordje Timotijevic.
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#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: 14
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #mastermind
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Calculate the number 790

NUMBERMANIA: Calculate the number 790 using numbers [9, 2, 7, 7, 16, 718] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #numbermania
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The aim is to place the some numbers from the list (15, 18, 19, 21, 24, 25, 35, 38, 39, 67, 79, 97) 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.
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Ernst (Gustav Benjamin) von Bergmann

Born 16 Dec 1836; died 25 Mar 1907 at age 70.German surgeon and author and author of a classic work on cranial surgery, Die Chirurgische Behandlung der Hirnkrankheiten (1888; “The Surgical Treatment of Brain Disorders”). In 1870, Bergmann wrote the first textbook on nervous system surgery. In addition to his contributions to surgery, Bergmann is noted for introducing steam sterilization of instruments and dressings (1886), and in 1891 he introduced aseptic methods to the practice of surgery.
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