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The Most Difficult Tasks (page 27)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 261 to 270. |
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/2025/10/23/magic-square-1761177944.png','/MAGIC-SQUARE-Calculate-A-B-C/8517'))
The aim is to place the some numbers from the list (9, 11, 13, 15, 17, 21, 45, 47, 53, 65, 77) 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 6ac53 + 6c7a6 = 12aa3b find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Calculate the number 1609
. Each of the numbers can be used only once.','/archive/2025/10/20/numbermania-1760918701.png','/calculate-the-number-1609/8515'))
NUMBERMANIA: Calculate the number 1609 using numbers [8, 4, 6, 1, 43, 789] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
The recital
A soldier stationed in the South Pacific wrote to his wife in the States to please send him a harmonica to occupy his free time and keep his mind off of the local women. The wife complied and sent the best one she could find, along with several dozen lesson & music books.
Rotated back home, he rushed to their home and thru the front door. "Oh darling" he gushed, "Come here... let me look at you... let me hold you ! Let's have a fine dinner out, then make love all night. I've missed your lovin' so much !" The wife, keeping her distance, said, "All in good time lover. First, let's hear you play that harmonica."
Find number abc
)
If 62a66 + a46cb = 13a42c 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/2025/10/18/mastermind-1760745901.png','/What-a-winning-combination/8513'))
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 6332
. Each of the numbers can be used only once.','/archive/2025/10/17/numbermania-1760659501.png','/calculate-the-number-6332/8512'))
NUMBERMANIA: Calculate the number 6332 using numbers [9, 8, 4, 8, 39, 762] 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/2025/10/16/magic-square-1760573146.png','/MAGIC-SQUARE-Calculate-A-B-C/8511'))
The aim is to place the some numbers from the list (24, 25, 27, 29, 30, 32, 57, 66, 67, 69, 75) 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
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/2025/10/09/magic-square-1759968327.png','/MAGIC-SQUARE-Calculate-A-B-C/8504'))
The aim is to place the some numbers from the list (2, 5, 6, 8, 17, 18, 20, 35, 36, 38) 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
Calculate the number 9167
. Each of the numbers can be used only once.','/archive/2025/10/06/numbermania-1759709101.png','/calculate-the-number-9167/8501'))
NUMBERMANIA: Calculate the number 9167 using numbers [3, 7, 9, 6, 41, 893] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Calculate the number 6370
. Each of the numbers can be used only once.','/archive/2025/10/03/numbermania-1759449902.png','/calculate-the-number-6370/8498'))
NUMBERMANIA: Calculate the number 6370 using numbers [2, 8, 2, 6, 15, 812] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
