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The Most Difficult Taskspuzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
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/2026/03/07/mastermind-1772841901.png','/Which-is-a-winning-combination-of-digits/8650'))
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 951
. Each of the numbers can be used only once.','/archive/2026/03/06/numbermania-1772755501.png','/calculate-the-number-951/8649'))
NUMBERMANIA: Calculate the number 951 using numbers [2, 2, 1, 7, 20, 978] 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/2026/03/05/magic-square-1772669144.png','/MAGIC-SQUARE-Calculate-A-B-C/8648'))
The aim is to place the some numbers from the list (12, 14, 17, 19, 23, 28, 56, 58, 67, 68, 76) 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
A man goes into a seafood rest...
A man goes into a seafood restaurant and sees a sign that reads: "Big Red Lobster Tails - $1."
Amazed at the value of the offer, he calls a waitress over. "Excuse me," he said. "Is that sign correct?"
"Yes sir," she replied. "It's today's special offer."
"Fantastic," said the man. "But are you sure they're not small?"
"Oh no sir, I can assure you that they are very big."
"Are they out of date then?"
"No, no sir, they are fresh in this morning."
"Well in that case, here's my $1. Fill me up."
The waitress took the $1 coin, sat down beside him and said, "Once upon a time, there was a big red lobster..."
Amazed at the value of the offer, he calls a waitress over. "Excuse me," he said. "Is that sign correct?"
"Yes sir," she replied. "It's today's special offer."
"Fantastic," said the man. "But are you sure they're not small?"
"Oh no sir, I can assure you that they are very big."
"Are they out of date then?"
"No, no sir, they are fresh in this morning."
"Well in that case, here's my $1. Fill me up."
The waitress took the $1 coin, sat down beside him and said, "Once upon a time, there was a big red lobster..."
Find number abc
)
If 5bcb5 + 18aaa = b6a08 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/2026/03/03/mastermind-1772496301.png','/What-a-winning-combination/8646'))
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 7961
. Each of the numbers can be used only once.','/archive/2026/03/02/numbermania-1772409902.png','/calculate-the-number-7961/8645'))
NUMBERMANIA: Calculate the number 7961 using numbers [2, 6, 5, 2, 35, 987] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 5a0ab + cbaca = 7ca4c 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/2026/02/28/mastermind-1772237101.png','/Find-the-right-combination/8643'))
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 7832
. Each of the numbers can be used only once.','/archive/2026/02/27/numbermania-1772150701.png','/calculate-the-number-7832/8642'))
NUMBERMANIA: Calculate the number 7832 using numbers [1, 6, 7, 4, 35, 749] 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/2026/02/26/magic-square-1772064345.png','/MAGIC-SQUARE-Calculate-A-B-C/8641'))
The aim is to place the some numbers from the list (3, 14, 15, 16, 25, 26, 27, 68, 71, 72, 73) 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
