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The Most Difficult Tasks (page 8)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 71 to 80. |
Calculate the number 584
. Each of the numbers can be used only once.','/archive/2026/07/03/numbermania-1783037101.png','/calculate-the-number-584/8764'))
NUMBERMANIA: Calculate the number 584 using numbers [8, 2, 7, 2, 37, 316] 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/2026/07/02/magic-square-1782950772.png','/MAGIC-SQUARE-Calculate-A-B-C/8763'))
The aim is to place the some numbers from the list (3, 10, 11, 14, 18, 19, 22, 34, 35, 38, 76, 95) 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 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Three men were talking about w...
Three men were talking about what their children would be saying about them thirty years from now.
"I would like my children to say, 'He was successful in business'," declared the first man.
"Thirty years from now," said the second, "I want them to say, 'He was a loyal family man'."
Turning to the third man, the first one asked, "So what do you want them to say about you in thirty years?"
"Me?" the third man replied, "I want them all to say, 'He certainly looks good for his age'!"
"I would like my children to say, 'He was successful in business'," declared the first man.
"Thirty years from now," said the second, "I want them to say, 'He was a loyal family man'."
Turning to the third man, the first one asked, "So what do you want them to say about you in thirty years?"
"Me?" the third man replied, "I want them all to say, 'He certainly looks good for his age'!"
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/2026/06/30/mastermind-1782777901.png','/What-a-winning-combination/8761'))
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/2026/06/29/numbermania-1782691501.png','/calculate-the-number-1520/8760'))
NUMBERMANIA: Calculate the number 1520 using numbers [3, 4, 9, 1, 78, 182] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 699a9 - 5cc46 = b658c 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/2026/06/27/mastermind-1782518701.png','/Which-is-a-winning-combination-of-digits/8758'))
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 1352
. Each of the numbers can be used only once.','/archive/2026/06/26/numbermania-1782432302.png','/calculate-the-number-1352/8757'))
NUMBERMANIA: Calculate the number 1352 using numbers [5, 2, 2, 6, 27, 601] 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/2026/06/25/magic-square-1782345970.png','/MAGIC-SQUARE-Calculate-A-B-C/8756'))
The aim is to place the some numbers from the list (3, 7, 8, 11, 27, 30, 31, 32, 34, 35, 42, 48) 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 c3294 + bba8c = aa9479 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
