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The Most Difficult Taskspuzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
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
Stay Over One Night
A hindu priest, rabbi and a lawyer were driving down the road, when the car breaks down. Fortunately finding a farmhouse nearby, the farmer informed them that he had only one spare room, and that it had only two twin beds.
They were welcome to it, but one of them had to sleep in the barn. After much discussion, the hindu volunteered to go to the barn. A few moments later, a knock on the bedroom door, and the hidu explained that there was a cow in the barn, and cows are sacred and he could not possibly sleep in the barn with a cow.
Annoyed, the rabbi volunteered. A few moments later, a knock on the door. The rabbi explained that there was a pig in the barn and that he, being very orthodox, could not possibly spend the evening in the barn with the origin of pork.
Finally the lawyer said that he would go to the barn. A few moments later there was a knock on the door. It was the cow and the pig!
They were welcome to it, but one of them had to sleep in the barn. After much discussion, the hindu volunteered to go to the barn. A few moments later, a knock on the bedroom door, and the hidu explained that there was a cow in the barn, and cows are sacred and he could not possibly sleep in the barn with a cow.
Annoyed, the rabbi volunteered. A few moments later, a knock on the door. The rabbi explained that there was a pig in the barn and that he, being very orthodox, could not possibly spend the evening in the barn with the origin of pork.
Finally the lawyer said that he would go to the barn. A few moments later there was a knock on the door. It was the cow and the pig!
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
Calculate the number 4293
. Each of the numbers can be used only once.','/archive/2026/06/19/numbermania-1781827501.png','/calculate-the-number-4293/8750'))
NUMBERMANIA: Calculate the number 4293 using numbers [9, 7, 1, 9, 24, 570] 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/2026/06/18/magic-square-1781741164.png','/MAGIC-SQUARE-Calculate-A-B-C/8749'))
The aim is to place the some numbers from the list (6, 11, 16, 18, 19, 31, 35, 36, 40, 41, 45, 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 b94ab + 3a66c = 6acc3 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/2026/06/16/mastermind-1781568301.png','/What-a-winning-combination/8747'))
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 4438
. Each of the numbers can be used only once.','/archive/2026/06/15/numbermania-1781481901.png','/calculate-the-number-4438/8746'))
NUMBERMANIA: Calculate the number 4438 using numbers [8, 6, 6, 9, 24, 302] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
