Daily Brain Teasers for Tuesday, 28 October 2025
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puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |
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 9167
NUMBERMANIA: Calculate the number 9167 using numbers [4, 3, 9, 7, 37, 881] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If c4bab + 4b5ca = a2aa8c find number abc. Multiple solutions may exist.
#brainteasers #math

Mo Mandel: Hippie Parents
Grew up with those hippie parents. Mom was always smoking weed around the house. Its not cool. If youre a parent, dont smoke weed in front of your kids, because it ruins weed for your kids, and thats selfish. I see my Mom rolling joints -- very confusing. First time someone offered me a joint in high school, I was like, Im not going through menopause. Why would I want that? My temperatures fine, and Im very fertile.
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
Edison applies for first patentIn 1868, Thomas Edison of Boston, Mass., first patent application was received and recorded by the Patent Office. It was for an “Electrographic Vote Recorder.” The device, the first of its kind, would enable a legislator to register a vote either for or against an issue by turning a switch to the right or left. His application was executed (signed and dated) on 13 Oct 1868, and issued by the U.S. Patent Office on 1 Jun 1869 (No. 90,646). He eventually held over 1,500 patents.« |
Calculate the number 1520
NUMBERMANIA: Calculate the number 1520 using numbers [6, 9, 9, 7, 96, 634] 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 (9, 11, 13, 15, 17, 21, 45, 47, 53, 65, 77) 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 6ac53 + 6c7a6 = 12aa3b find number abc. Multiple solutions may exist.
#brainteasers #math
Calculate the number 1609
NUMBERMANIA: Calculate the number 1609 using numbers [8, 4, 6, 1, 43, 789] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
Find number abc
If 62a66 + a46cb = 13a42c 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