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Monthly Archive - September 2025 (page 3)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30. |
Find number abc
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If 67333 - b835b = a898c 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/2025/09/09/mastermind-1757376301.png','/Find-the-right-combination/8474'))
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 7166
. Each of the numbers can be used only once.','/archive/2025/09/08/numbermania-1757289901.png','/calculate-the-number-7166/8473'))
NUMBERMANIA: Calculate the number 7166 using numbers [5, 3, 6, 4, 57, 868] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Birth control pills
An elderly woman went into the doctor's office. When the doctor asked why she was there, she replied, "I'd like to have some birth-control pills."
Taken aback, the doctor thought for a minute and then said, "Excuse me, Mrs. Smith, but you're 72 years old. What possible use could you have for birth control pills?"
The woman responded, "They help me sleep better."
The doctor thought some more and continued, "How in the world do birth control pills help you to sleep?"
The woman said, "Simple. I put them in my granddaughter's orange juice every morning and I sleep better at night."
Find number abc
)
If 3bc74 + 40c63 = 7ab37 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
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/2025/09/06/mastermind-1757117101.png','/Which-is-a-winning-combination-of-digits/8471'))
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 254
. Each of the numbers can be used only once.','/archive/2025/09/05/numbermania-1757030701.png','/calculate-the-number-254/8470'))
NUMBERMANIA: Calculate the number 254 using numbers [4, 9, 9, 8, 17, 205] 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/2025/09/04/magic-square-1756944369.png','/MAGIC-SQUARE-Calculate-A-B-C/8469'))
The aim is to place the some numbers from the list (6, 8, 12, 17, 19, 22, 23, 43, 46, 62, 64, 68) 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 8c0bc - c1bac = 51c10 find number abc. Multiple solutions may exist. Correct answers: 0
#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/2025/09/02/mastermind-1756771502.png','/What-a-winning-combination/8467'))
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 7661
. Each of the numbers can be used only once.','/archive/2025/09/01/numbermania-1756685101.png','/calculate-the-number-7661/8466'))
NUMBERMANIA: Calculate the number 7661 using numbers [2, 8, 9, 9, 98, 617] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
