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The Most Difficult Taskspuzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
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
My Old Kentucky Home
An older man at the evening function bowed his head and wept quietly but copiously while while a young woman rendered the plaintive ballad, "My Old Kentucky Home."
The hostess tiptoed up to him and inquired tenderly, "Pardon me, are you a Kentuckian?"
"Nay, madam," the tearful one replied, "I'm a musician."
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
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/2026/06/23/mastermind-1782173101.png','/Which-is-a-winning-combination-of-digits/8754'))
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 8628
. Each of the numbers can be used only once.','/archive/2026/06/22/numbermania-1782086702.png','/calculate-the-number-8628/8753'))
NUMBERMANIA: Calculate the number 8628 using numbers [5, 4, 5, 4, 50, 937] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 5a9bb + 49bc9 = 1aab57 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/2026/06/20/mastermind-1781913901.png','/Which-is-a-winning-combination-of-digits/8751'))
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
