|
Monthly Archive - November 2025 (page 2)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20. |
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/2025/11/20/magic-square-1763597127.png','/MAGIC-SQUARE-Calculate-A-B-C/8544'))
The aim is to place the some numbers from the list (5, 6, 11, 19, 20, 25, 26, 27, 28, 32) 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 c51a7 + 10bbc = 460b0 find number abc. Multiple solutions may exist. Correct answers: 1
#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/2025/11/18/mastermind-1763424301.png','/Which-is-a-winning-combination-of-digits/8542'))
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
A knight went off to fight in...
A knight went off to fight in the Holy Crusades but before leaving he made his wife wear a chastity belt. After tightly securing it to her, he handed the key to his best friend with the instruction: "If I do not return within seven years, unlock my wife and set her free to lead a normal life."
The knight then rode off on the first leg of his journey to the Holy Land, but he had only traveled barely an hour when he was suddenly aware of the sound of pounding hooves behind him. He turned to see that it was his best friend.
"What is the problem?" asked the knight.
His best friend replied: "You gave me the wrong key."
The knight then rode off on the first leg of his journey to the Holy Land, but he had only traveled barely an hour when he was suddenly aware of the sound of pounding hooves behind him. He turned to see that it was his best friend.
"What is the problem?" asked the knight.
His best friend replied: "You gave me the wrong key."
Calculate the number 751
. Each of the numbers can be used only once.','/archive/2025/11/17/numbermania-1763337901.png','/calculate-the-number-751/8541'))
NUMBERMANIA: Calculate the number 751 using numbers [7, 3, 9, 2, 32, 665] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 380ab + c9bac = 97b3a find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 5140
. Each of the numbers can be used only once.','/archive/2025/11/14/numbermania-1763078701.png','/calculate-the-number-5140/8539'))
NUMBERMANIA: Calculate the number 5140 using numbers [2, 6, 1, 7, 12, 648] 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/2025/11/13/magic-square-1762992345.png','/MAGIC-SQUARE-Calculate-A-B-C/8538'))
The aim is to place the some numbers from the list (7, 8, 9, 16, 26, 27, 31, 32, 34, 39, 78) 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 abc2b + 77c2a = c3a2a3 find number abc. Multiple solutions may exist. Correct answers: 1
#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/2025/11/11/mastermind-1762819501.png','/Which-is-a-winning-combination-of-digits/8536'))
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 5454
. Each of the numbers can be used only once.','/archive/2025/11/10/numbermania-1762733101.png','/calculate-the-number-5454/8535'))
NUMBERMANIA: Calculate the number 5454 using numbers [9, 1, 9, 9, 36, 561] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
