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The Most Difficult Tasks (page 29)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 281 to 290. |
Calculate the number 4066
. Each of the numbers can be used only once.','/archive/2025/09/19/numbermania-1758240301.png','/calculate-the-number-4066/8484'))
NUMBERMANIA: Calculate the number 4066 using numbers [8, 2, 1, 9, 63, 350] 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/2025/09/18/magic-square-1758153948.png','/MAGIC-SQUARE-Calculate-A-B-C/8483'))
The aim is to place the some numbers from the list (3, 5, 6, 10, 12, 13, 18, 20, 21, 56, 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 84c0b - a1b69 = 5c4a8 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
New Yorkers and Light Bulbs
Q: How many New Yorkers does it take to screw in a light bulb?
A: One. What are you -- stupid?
A: One. What are you -- stupid?
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/2025/09/16/mastermind-1757981101.png','/Find-the-right-combination/8481'))
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 786
. Each of the numbers can be used only once.','/archive/2025/09/15/numbermania-1757894701.png','/calculate-the-number-786/8480'))
NUMBERMANIA: Calculate the number 786 using numbers [5, 1, 8, 1, 29, 588] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If abccc - b599b = 3ac5b 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/2025/09/13/mastermind-1757721901.png','/What-a-winning-combination/8478'))
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 6662
. Each of the numbers can be used only once.','/archive/2025/09/12/numbermania-1757635501.png','/calculate-the-number-6662/8477'))
NUMBERMANIA: Calculate the number 6662 using numbers [6, 8, 1, 4, 33, 934] 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/2025/09/11/magic-square-1757549125.png','/MAGIC-SQUARE-Calculate-A-B-C/8476'))
The aim is to place the some numbers from the list (6, 11, 12, 24, 29, 30, 35, 40, 41, 52) 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 3bc74 + 40c63 = 7ab37 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
