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Monthly Archive - September 2026brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Find number abc
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If 2aaa6 + b0c40 = cca6b6 find number abc. Multiple solutions may exist. Correct answers: 1
#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/2026/09/29/mastermind-1790640301.png','/Find-the-right-combination/8850'))
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 2822
. Each of the numbers can be used only once.','/archive/2026/09/28/numbermania-1790553901.png','/calculate-the-number-2822/8849'))
NUMBERMANIA: Calculate the number 2822 using numbers [6, 6, 6, 4, 92, 385] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Birthday
Dad: - What do you want for your birthday?
Son: - I want a remote control car dad.
Dad: - Say no more son.
Son: - I want a remote control car dad.
Dad: - Say no more son.
Find number abc
)
If a19ab + b1814 = ca746 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 1632
. Each of the numbers can be used only once.','/archive/2026/09/25/numbermania-1790294701.png','/calculate-the-number-1632/8847'))
NUMBERMANIA: Calculate the number 1632 using numbers [4, 1, 7, 1, 76, 382] 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/2026/09/24/magic-square-1790208345.png','/MAGIC-SQUARE-Calculate-A-B-C/8846'))
The aim is to place the some numbers from the list (16, 17, 25, 30, 31, 39, 40, 53, 54, 62, 84) 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: 1
#brainteasers #math #magicsquare
Find number abc
)
If b45a0 + cb7bb = 8ca8b find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
What a winning 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/2026/09/22/mastermind-1790035501.png','/What-a-winning-combination/8844'))
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 2204
. Each of the numbers can be used only once.','/archive/2026/09/21/numbermania-1789949101.png','/calculate-the-number-2204/8843'))
NUMBERMANIA: Calculate the number 2204 using numbers [1, 3, 5, 8, 92, 335] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If c02b0 + 555ac = b5a4c find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
