|
The Most Difficult Tasks (page 15)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 141 to 150. |
Calculate the number 2598
. Each of the numbers can be used only once.','/archive/2026/04/20/numbermania-1776643501.png','/calculate-the-number-2598/8693'))
NUMBERMANIA: Calculate the number 2598 using numbers [3, 3, 7, 5, 55, 643] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If c9abc - c4035 = 5a4a 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/2026/04/18/mastermind-1776470701.png','/Which-is-a-winning-combination-of-digits/8691'))
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
Six months to live
"Mr. Clark, I'm afraid I have bad news," the doctor told his anxious patient. "You only have six months to live."
The man sat in stunned silence for several minutes. Regaining his composure, he apologetically announced that he had no medical insurance. "I can't possibly pay you in that time," he said.
"OK," the doctor said. "let's make it nine months."
Calculate the number 687
. Each of the numbers can be used only once.','/archive/2026/04/17/numbermania-1776384301.png','/calculate-the-number-687/8690'))
NUMBERMANIA: Calculate the number 687 using numbers [7, 6, 6, 8, 19, 125] 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/2026/04/16/magic-square-1776297945.png','/MAGIC-SQUARE-Calculate-A-B-C/8689'))
The aim is to place the some numbers from the list (18, 19, 20, 21, 22, 28, 29, 54, 56, 63, 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 a6c46 - b4aa2 = 8bc54 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/2026/04/14/mastermind-1776125101.png','/What-a-winning-combination/8687'))
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 1265
. Each of the numbers can be used only once.','/archive/2026/04/13/numbermania-1776038701.png','/calculate-the-number-1265/8686'))
NUMBERMANIA: Calculate the number 1265 using numbers [7, 1, 5, 6, 55, 947] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 68cc8 + 4ab95 = ba85cc 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/2026/04/11/mastermind-1775865901.png','/Which-is-a-winning-combination-of-digits/8684'))
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
