Daily Brain Teasers for Tuesday, 23 September 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
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.
#brainteasers #mastermind
Calculate the number 7562
NUMBERMANIA: Calculate the number 7562 using numbers [7, 8, 5, 4, 15, 954] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If a0a1a + b99ca = 140ba4 find number abc. Multiple solutions may exist.
#brainteasers #math
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.
#brainteasers #mastermind
Sigmund FreudDied 23 Sep 1939 at age 83 (born 6 May 1856). Austrian father of psychoanalysis, best known for such works as Interpretation of Dreams (1900) and the New Introductory Lectures on Psychoanalysis (1933). In the publication of these, and numerous other works, he revolutionized the field of psychotherapy, so much so that often later workers have failed to recognize forebearers prior to him. Throughout his work he emphasized the role of unconscious and nonrational functioning, going against much of contemporary thought by suggesting that dreams and “mistakes” may also have meaning. Freud battled cancer of the jaw from 1923 until his death in 1939 in London - after 16 operations. |
Calculate the number 4066
NUMBERMANIA: Calculate the number 4066 using numbers [8, 2, 1, 9, 63, 350] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A-B*C
The aim is to place the some numbers from the list (3, 5, 6, 10, 12, 13, 18, 20, 21, 56, 66) 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
Find number abc
If 84c0b - a1b69 = 5c4a8 find number abc. Multiple solutions may exist.
#brainteasers #math
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.
#brainteasers #mastermind
Calculate the number 786
NUMBERMANIA: Calculate the number 786 using numbers [5, 1, 8, 1, 29, 588] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If abccc - b599b = 3ac5b find number abc. Multiple solutions may exist.
#brainteasers #math
