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Monthly Archive - September 2025brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Which is a winning combination of digits?
. 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/2025/09/30/mastermind-1759190701.png','/Which-is-a-winning-combination-of-digits/8495'))
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 334
. Each of the numbers can be used only once.','/archive/2025/09/29/numbermania-1759104301.png','/calculate-the-number-334/8494'))
NUMBERMANIA: Calculate the number 334 using numbers [6, 4, 2, 4, 52, 926] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 81ac8 + 86a21 = 16ba59 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Always on Call
A doctor answers his phone and hears the familiar voice of a colleague on the other end of the line.
‘We need a fourth for poker,’ said the friend.
‘I’ll be right over,’ whispered the doctor.
As he was putting on his coat, his wife asked, ‘Is it serious?’
‘Oh yes, quite serious,’ said the doctor gravely. ‘In fact, there are three doctors there already!’
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/2025/09/27/mastermind-1758931501.png','/Find-the-right-combination/8492'))
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 319
. Each of the numbers can be used only once.','/archive/2025/09/26/numbermania-1758845101.png','/calculate-the-number-319/8491'))
NUMBERMANIA: Calculate the number 319 using numbers [6, 8, 3, 9, 44, 858] 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/2025/09/25/magic-square-1758758715.png','/MAGIC-SQUARE-Calculate-A-B-C/8490'))
The aim is to place the some numbers from the list (2, 3, 4, 25, 26, 27, 42, 43, 44) 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 56b5c - baba5 = 26a54 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/2025/09/23/mastermind-1758585901.png','/What-a-winning-combination/8488'))
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 7562
. Each of the numbers can be used only once.','/archive/2025/09/22/numbermania-1758499501.png','/calculate-the-number-7562/8487'))
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. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If a0a1a + b99ca = 140ba4 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
