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The Most Difficult Tasks (page 19)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 181 to 190. |
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/2026/03/07/mastermind-1772841901.png','/Which-is-a-winning-combination-of-digits/8650'))
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 951
. Each of the numbers can be used only once.','/archive/2026/03/06/numbermania-1772755501.png','/calculate-the-number-951/8649'))
NUMBERMANIA: Calculate the number 951 using numbers [2, 2, 1, 7, 20, 978] 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/2026/03/05/magic-square-1772669144.png','/MAGIC-SQUARE-Calculate-A-B-C/8648'))
The aim is to place the some numbers from the list (12, 14, 17, 19, 23, 28, 56, 58, 67, 68, 76) 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
When the wise company presiden...
When the wise company president learned that his employees were tanking upon no-trace vodka martinis during their lunch hours, he issued the following memo:
To all employees; If you must drink during you lunch hours, please drink whiskey. It is better for our customers to know you're drunk than to think you're stupid.
To all employees; If you must drink during you lunch hours, please drink whiskey. It is better for our customers to know you're drunk than to think you're stupid.
Find number abc
)
If 5bcb5 + 18aaa = b6a08 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/2026/03/03/mastermind-1772496301.png','/What-a-winning-combination/8646'))
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 7961
. Each of the numbers can be used only once.','/archive/2026/03/02/numbermania-1772409902.png','/calculate-the-number-7961/8645'))
NUMBERMANIA: Calculate the number 7961 using numbers [2, 6, 5, 2, 35, 987] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 5a0ab + cbaca = 7ca4c find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Calculate the number 7832
. Each of the numbers can be used only once.','/archive/2026/02/27/numbermania-1772150701.png','/calculate-the-number-7832/8642'))
NUMBERMANIA: Calculate the number 7832 using numbers [1, 6, 7, 4, 35, 749] 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/2026/02/26/magic-square-1772064345.png','/MAGIC-SQUARE-Calculate-A-B-C/8641'))
The aim is to place the some numbers from the list (3, 14, 15, 16, 25, 26, 27, 68, 71, 72, 73) 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 1b1a0 + 21b02 = acca2 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
