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Monthly Archive - October 2025brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Calculate the number 6367
. Each of the numbers can be used only once.','/archive/2025/10/31/numbermania-1761869102.png','/calculate-the-number-6367/8525'))
NUMBERMANIA: Calculate the number 6367 using numbers [9, 1, 1, 3, 87, 631] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A*B-C
 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.','/archive/2025/10/30/magic-square-1761782726.png','/MAGIC-SQUARE-Calculate-A-B-C/8524'))
The aim is to place the some numbers from the list (13, 15, 16, 18, 20, 23, 37, 39, 44, 61) 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
#brainteasers #math #magicsquare
Find number abc
)
If 2baa4 + c992c = 10ba11 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Off to Vegas
A man came home from work one day to find his wife sitting on the front porch with her bags packed. He asked her where she was going and she replied "I'm going to Las Vegas."
He questioned her as to why she was going and she told him "I just found out that I can make $400.00 a night doing what I give you for free". He pondered that then went into the house and packed his bags and returned to the porch and with his wife. She said "And just where do you think you're going?"
"I'm going too!" he replied.
"Why?" She asked.
"I want to see how you are going to live on $800.00 a year"!
Find the right combination
. 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.','/archive/2025/10/28/mastermind-1761609901.png','/Find-the-right-combination/8522'))
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: 1
#brainteasers #mastermind
Calculate the number 9167
. Each of the numbers can be used only once.','/archive/2025/10/27/numbermania-1761523501.png','/calculate-the-number-9167/8521'))
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. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If c4bab + 4b5ca = a2aa8c find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Find the right combination
. 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.','/archive/2025/10/25/mastermind-1761350701.png','/Find-the-right-combination/8519'))
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
#brainteasers #mastermind
Calculate the number 1520
. Each of the numbers can be used only once.','/archive/2025/10/24/numbermania-1761264301.png','/calculate-the-number-1520/8518'))
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. Correct answers: 0
#brainteasers #math #numbermania
MAGIC SQUARE: Calculate A-B+C
 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.','/archive/2025/10/23/magic-square-1761177944.png','/MAGIC-SQUARE-Calculate-A-B-C/8517'))
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. Correct answers: 0
#brainteasers #math #magicsquare
Find number abc
)
If 6ac53 + 6c7a6 = 12aa3b find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
