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The Most Difficult Tasks (page 9)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 81 to 90. |
Find number abc
)
If 7b0a8 + 544ab = cb65a0 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Calculate the number 1085
. Each of the numbers can be used only once.','/archive/2026/04/03/numbermania-1775174701.png','/calculate-the-number-1085/8676'))
NUMBERMANIA: Calculate the number 1085 using numbers [8, 1, 6, 6, 51, 677] 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/2026/04/02/magic-square-1775088324.png','/MAGIC-SQUARE-Calculate-A-B-C/8675'))
The aim is to place the some numbers from the list (11, 13, 16, 18, 20, 22, 27, 57, 59, 64) 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
For her role in kidnapping the 101...
For her role in kidnapping the 101 spotted dogs, Cruella De Ville was sentenced to the fires of eternal dalmation.
Find number abc
)
If b6b62 + 7acba = a558b 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/2026/03/31/mastermind-1774915501.png','/What-a-winning-combination/8673'))
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 2924
. Each of the numbers can be used only once.','/archive/2026/03/30/numbermania-1774829101.png','/calculate-the-number-2924/8672'))
NUMBERMANIA: Calculate the number 2924 using numbers [9, 5, 7, 5, 18, 597] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If a350b - 25a28 = 3c8ca 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/2026/03/28/mastermind-1774656301.png','/What-a-winning-combination/8670'))
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 714
. Each of the numbers can be used only once.','/archive/2026/03/27/numbermania-1774569901.png','/calculate-the-number-714/8669'))
NUMBERMANIA: Calculate the number 714 using numbers [5, 3, 7, 6, 27, 116] 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/2026/03/26/magic-square-1774483526.png','/MAGIC-SQUARE-Calculate-A-B-C/8668'))
The aim is to place the some numbers from the list (12, 13, 14, 15, 22, 24, 43, 44, 53, 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
