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The Most Difficult Tasks (page 104)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1031 to 1040. |
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/2022/09/29/magic-square-1664409983.png','/MAGIC-SQUARE-Calculate-A-B-C/7405'))
The aim is to place the some numbers from the list (2, 23, 27, 31, 33, 35, 41, 64, 69, 73, 77, 79) 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: 1
#brainteasers #math #magicsquare
Calculate the number 6317
. Each of the numbers can be used only once.','/archive/2022/09/26/numbermania-1664150701.png','/calculate-the-number-6317/7402'))
NUMBERMANIA: Calculate the number 6317 using numbers [2, 5, 9, 9, 53, 399] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Calculate the number 542
. Each of the numbers can be used only once.','/archive/2022/09/09/numbermania-1662681901.png','/calculate-the-number-542/7386'))
NUMBERMANIA: Calculate the number 542 using numbers [3, 9, 9, 6, 94, 390] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
While giving a physical the do...
While giving a physical the doctor noticed that his patient's shins were covered with dark bruises.
"Tell me," said the doctor, "do you play hockey or soccer?"
"Neither," said the man. "My wife and I play bridge."
"Tell me," said the doctor, "do you play hockey or soccer?"
"Neither," said the man. "My wife and I play bridge."
Find number abc
)
If bc699 - 5aa20 = 2b5b9 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 7724
. Each of the numbers can be used only once.','/archive/2022/07/22/numbermania-1658448301.png','/calculate-the-number-7724/7337'))
NUMBERMANIA: Calculate the number 7724 using numbers [5, 7, 6, 4, 72, 992] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Calculate the number 2182
. Each of the numbers can be used only once.','/archive/2022/03/14/numbermania-1647216301.png','/calculate-the-number-2182/7207'))
NUMBERMANIA: Calculate the number 2182 using numbers [8, 3, 1, 9, 88, 426] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Calculate the number 2501
. Each of the numbers can be used only once.','/archive/2022/02/28/numbermania-1646006701.png','/calculate-the-number-2501/7193'))
NUMBERMANIA: Calculate the number 2501 using numbers [2, 5, 7, 9, 62, 515] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If bb31c + 2b14a = 8a4bc find number abc. Multiple solutions may exist. Correct answers: 2
#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/2025/10/07/mastermind-1759795501.png','/Find-the-right-combination/8502'))
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: 2
#brainteasers #mastermind
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/2025/08/09/mastermind-1754697901.png','/What-a-winning-combination/8444'))
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: 2
#brainteasers #mastermind
