Daily Brain Teasers for Saturday, 12 September 2026
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
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
Calculate the number 806
NUMBERMANIA: Calculate the number 806 using numbers [3, 3, 2, 9, 81, 720] 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 (2, 4, 7, 8, 9, 13, 21, 23, 27, 59, 79, 95) 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
Wet joke
"Give it to me! Give it to me!" she yelled.
"I'm so wet, give it to me now!”
She could scream all she wanted, but I was keeping the umbrella.
Find number abc
If aa428 + 42a1b = c5ca8 find number abc. Multiple solutions may exist.
#brainteasers #math
Alexander LangmuirBorn 12 Sep 1910; died 22 Nov 1993 at age 83. Alexander Duncan Langmuir was an American epidemiologist created and led the Epidemic Intelligence Service (EIS) for the U.S. government and was credited with saving thousands of lives with his revolutionary work. In 1949, he became director of the epidemiology branch of the National Communicable Disease Center in Atlanta, a position he held for over 20 years. His efforts contributed to the virtual elimination of polio in the U.S. and to a better understanding of other infectious disease dilemmas of the last 50 years. He emphasized surveillance with regard to disease wherever it occurred, analyzing it and looking at it, and acting if appropriate. Langmuir wrote extensively on all phases of epidemiology on a global basis and was recognized internationally as a leader. Irving Langmuir was his uncle. |
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 5096
NUMBERMANIA: Calculate the number 5096 using numbers [2, 6, 8, 8, 52, 586] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If a99b6 + 1aa1b = 7a4c8 find number abc. Multiple solutions may exist.
#brainteasers #math
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 2340
NUMBERMANIA: Calculate the number 2340 using numbers [9, 5, 3, 1, 86, 486] 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 (4, 7, 8, 9, 12, 13, 19, 44, 47, 48, 62, 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.
#brainteasers #math #magicsquare
