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The Most Difficult Tasks (page 27)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 261 to 270. |
Calculate the number 254
. Each of the numbers can be used only once.','/archive/2025/09/05/numbermania-1757030701.png','/calculate-the-number-254/8470'))
NUMBERMANIA: Calculate the number 254 using numbers [4, 9, 9, 8, 17, 205] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 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/2025/09/04/magic-square-1756944369.png','/MAGIC-SQUARE-Calculate-A-B-C/8469'))
The aim is to place the some numbers from the list (6, 8, 12, 17, 19, 22, 23, 43, 46, 62, 64, 68) 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. Find number abc
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If 8c0bc - c1bac = 51c10 find number abc. Multiple solutions may exist. 
Working at a pickle factory
A man comes home from working at a pickle factory and he seems troubled. His wife asks him what's wrong and the man says, "Oh, nothing. I just... well... recently I've had an uncontrollable urge to put my penis in the pickle slicer."
His wife nearly faints, then she blurts out: "Why? You need to go see someone. I'm going to make an appointment with a therapist or someone tomorrow."
The man protests, "No, no. It's fine. Really. I'm not going to do it."
Everything is fine for a few weeks, but then the man comes home early from work and he's pale as a ghost. His wife inquires, "What's the matter? You look terrible!"
The husband tells her, "Well, remember when I said I wanted to put my penis in the pickle slicer?"
The wife gasps, "You did? What happened?"
The man starts to cry. "I got fired!"
"I don't care about that! Are you okay? What happened with the pickle slicer?"
The man sobs, "She got fired, too."
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/2025/09/02/mastermind-1756771502.png','/What-a-winning-combination/8467'))
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. 
Calculate the number 7661
. Each of the numbers can be used only once.','/archive/2025/09/01/numbermania-1756685101.png','/calculate-the-number-7661/8466'))
NUMBERMANIA: Calculate the number 7661 using numbers [2, 8, 9, 9, 98, 617] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Find number abc
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If 3104a - bcca4 = b191 find number abc. Multiple solutions may exist. 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/2025/08/30/mastermind-1756512301.png','/What-a-winning-combination/8464'))
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. Calculate the number 1057
. Each of the numbers can be used only once.','/archive/2025/08/29/numbermania-1756425901.png','/calculate-the-number-1057/8463'))
NUMBERMANIA: Calculate the number 1057 using numbers [1, 4, 6, 5, 68, 103] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. 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/2025/08/28/magic-square-1756339568.png','/MAGIC-SQUARE-Calculate-A-B-C/8462'))
The aim is to place the some numbers from the list (1, 4, 6, 9, 10, 15, 22, 25, 31, 56, 92, 95) 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. Find number abc
)
If 779c9 - 4b5aa = 3c3ab find number abc. Multiple solutions may exist. 
