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The Most Difficult Tasks (page 21)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 201 to 210. |
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
Quip To Complete Purchase
I used to find buying books from Amazon slow and inconvenient...
Until one day the receptionist suggested I use their website.
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
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/2025/10/02/magic-square-1759363575.png','/MAGIC-SQUARE-Calculate-A-B-C/8497'))
The aim is to place the some numbers from the list (10, 11, 12, 20, 21, 22, 27, 32, 55, 56, 57, 72) 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 5b95a - c005c = ab89b find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
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/2025/09/30/mastermind-1759190701.png','/Which-is-a-winning-combination-of-digits/8495'))
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 334
. Each of the numbers can be used only once.','/archive/2025/09/29/numbermania-1759104301.png','/calculate-the-number-334/8494'))
NUMBERMANIA: Calculate the number 334 using numbers [6, 4, 2, 4, 52, 926] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 81ac8 + 86a21 = 16ba59 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
