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The Most Difficult Tasks (page 30)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 291 to 300. |
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/2025/07/03/magic-square-1751501139.png','/MAGIC-SQUARE-Calculate-A-B-C/8407'))
The aim is to place the some numbers from the list (3, 4, 6, 7, 8, 9, 10, 11, 14, 23, 27) 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 6ba99 + b0bab = 94cac find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Calculate the number 4740
. Each of the numbers can be used only once.','/archive/2025/06/30/numbermania-1751241901.png','/calculate-the-number-4740/8404'))
NUMBERMANIA: Calculate the number 4740 using numbers [5, 5, 2, 5, 70, 944] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Makin' babies...
A second grader came home from school and said to her mother, "Mom, guess what? We learned how to make babies today."
The mother, more than a little surprised, asked fearfully, "That's interesting. How do you make babies?"
"It's simple," replied the girl. "You just change 'y' to 'i' and add 'es'."
Find number abc
)
If 6c4a6 + 9cb53 = b546c9 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/2025/06/28/mastermind-1751069101.png','/Which-is-a-winning-combination-of-digits/8402'))
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 7043
. Each of the numbers can be used only once.','/archive/2025/06/27/numbermania-1750982701.png','/calculate-the-number-7043/8401'))
NUMBERMANIA: Calculate the number 7043 using numbers [8, 5, 6, 8, 55, 472] 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/2025/06/26/magic-square-1750896368.png','/MAGIC-SQUARE-Calculate-A-B-C/8400'))
The aim is to place the some numbers from the list (12, 13, 16, 17, 18, 20, 21, 26, 56, 57, 60, 83) 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 8b20a - c6bb1 = a04a2 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/2025/06/24/mastermind-1750723501.png','/Which-is-a-winning-combination-of-digits/8398'))
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 1372
. Each of the numbers can be used only once.','/archive/2025/06/23/numbermania-1750637101.png','/calculate-the-number-1372/8397'))
NUMBERMANIA: Calculate the number 1372 using numbers [2, 1, 6, 3, 56, 630] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
