|
The Most Difficult Tasks (page 26)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 251 to 260. |
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
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
Foreman
One day, Uncle Joe got fired from his construction job. His nephew asked him what happened.
“You know what a foreman is?” he asked. “The one who stands around and watches the other men work?”
“What's that got to do with it?” he asked.
“Well, he just got jealous of me,” Uncle Joe explained. “Everyone thought I was the foreman.”
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
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/2025/09/06/mastermind-1757117101.png','/Which-is-a-winning-combination-of-digits/8471'))
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
