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The Most Difficult Taskspuzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
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/2026/06/02/mastermind-1780358701.png','/Find-the-right-combination/8734'))
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 1421
. Each of the numbers can be used only once.','/archive/2026/06/01/numbermania-1780272301.png','/calculate-the-number-1421/8733'))
NUMBERMANIA: Calculate the number 1421 using numbers [9, 4, 1, 2, 74, 383] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
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If baacc + 2a311 = 122baa find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Pray Before Eating
Everyone was seated around the table as the food was being served. When little Logan received his plate, he started eating right away.
"Logan, wait until we say our prayer," his mother reminded him.
"I don't have to," the little boy replied.
"Of course you do," his mother insisted, "we say a prayer before eating at our house."
"That's at our house," Logan explained, "but this is Grandma's house and she knows how to cook."
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/2026/05/30/mastermind-1780099502.png','/Which-is-a-winning-combination-of-digits/8731'))
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 7592
. Each of the numbers can be used only once.','/archive/2026/05/29/numbermania-1780013101.png','/calculate-the-number-7592/8730'))
NUMBERMANIA: Calculate the number 7592 using numbers [5, 8, 9, 3, 42, 881] 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/2026/05/28/magic-square-1779926727.png','/MAGIC-SQUARE-Calculate-A-B-C/8729'))
The aim is to place the some numbers from the list (16, 17, 22, 28, 29, 34, 45, 60, 61, 66) 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 c89a9 - 1b92c = 2104a find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Find number abc
)
If 12bbc + 225c6 = bcaa0 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/2026/05/23/mastermind-1779494701.png','/Which-is-a-winning-combination-of-digits/8726'))
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 1314
. Each of the numbers can be used only once.','/archive/2026/05/22/numbermania-1779408302.png','/calculate-the-number-1314/8725'))
NUMBERMANIA: Calculate the number 1314 using numbers [9, 8, 4, 9, 68, 829] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
