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Brain Teasers (page 15)puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 141 to 150. |
Find number abc
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If 795ac - 7cb37 = babb find number abc. Multiple solutions may exist. 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/2026/01/06/mastermind-1767657901.png','/Which-is-a-winning-combination-of-digits/8590'))
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. Calculate the number 3430
. Each of the numbers can be used only once.','/archive/2026/01/05/numbermania-1767571501.png','/calculate-the-number-3430/8589'))
NUMBERMANIA: Calculate the number 3430 using numbers [5, 5, 1, 8, 73, 707] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 
The Peeing Accident
A man on a construction site 30 floors up had to go to the bathroom. He approached his foreman and told him that he was going down to use the facilities. The foreman told him he was crazy. By the time he got down and back he'd lose a half hour of time.
The foreman pushed a plank out over the edge of the building. He stood on one end and told the guy to go out on the other end and pee off. He told the man that they were 30 floors up and that his piss would turn into vapor before it reached the bottom. So the guy decided to take his advice.
Suddenly the foreman's cell phone rang and he jumped off the board to get it, allowing the peeing man to fall to his death!
At the inquest an electrician who was working on the 27th floor was asked if he knew what happened. "Not really, but I think it had something to do with sex."
The coroner said, "Sex, why do you think it had something to do with sex?"
The electrician replied, "I saw the man falling with his cock in his hand screaming, ‘Where did that cocksucker go!' "
Find number abc
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If 73bb4 - 64b3b = ac74 find number abc. Multiple solutions may exist. 
Calculate the number 4128
. Each of the numbers can be used only once.','/archive/2026/01/02/numbermania-1767312301.png','/calculate-the-number-4128/8587'))
NUMBERMANIA: Calculate the number 4128 using numbers [7, 4, 1, 3, 63, 962] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 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/2026/01/01/magic-square-1767225944.png','/MAGIC-SQUARE-Calculate-A-B-C/8586'))
The aim is to place the some numbers from the list (5, 7, 11, 14, 16, 20, 32, 34, 38, 51, 61) 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. Find number abc
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If ab4b0 - 1bcca = 39b8a find number abc. Multiple solutions may exist. 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/2025/12/30/mastermind-1767053102.png','/Find-the-right-combination/8584'))
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. Calculate the number 251
. Each of the numbers can be used only once.','/archive/2025/12/29/numbermania-1766966701.png','/calculate-the-number-251/8583'))
NUMBERMANIA: Calculate the number 251 using numbers [3, 2, 8, 2, 35, 143] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
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If baa21 + 13044 = c8aba find number abc. Multiple solutions may exist. 
