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The Most Difficult Tasks (page 64)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 631 to 640. |
Calculate the number 368
. Each of the numbers can be used only once.','/archive/2026/11/02/numbermania-1793577901.png','/calculate-the-number-368/8883'))
NUMBERMANIA: Calculate the number 368 using numbers [8, 4, 1, 9, 84, 123] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 715bc - 4ac7c = c8cab find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 1920
. Each of the numbers can be used only once.','/archive/2026/10/30/numbermania-1793318701.png','/calculate-the-number-1920/8880'))
NUMBERMANIA: Calculate the number 1920 using numbers [6, 4, 4, 4, 98, 278] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Fondue jokes
What's the reason you don't hear a lot of fondue jokes?
Most of the time, they're excessively cheesy.
Find number abc
)
If 7262a - abca6 = b7c0b find number abc. Multiple solutions may exist. Correct answers: 1
#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/2026/10/27/mastermind-1793059501.png','/What-a-winning-combination/8877'))
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: 1
#brainteasers #mastermind
Calculate the number 1012
. Each of the numbers can be used only once.','/archive/2026/10/26/numbermania-1792973102.png','/calculate-the-number-1012/8876'))
NUMBERMANIA: Calculate the number 1012 using numbers [3, 6, 2, 4, 14, 982] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 64acc - 4cb9b = 1976c find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 2295
. Each of the numbers can be used only once.','/archive/2026/10/23/numbermania-1792713902.png','/calculate-the-number-2295/8873'))
NUMBERMANIA: Calculate the number 2295 using numbers [2, 3, 8, 9, 54, 246] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 1a9c3 + 4abc0 = b1bb3 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 4024
. Each of the numbers can be used only once.','/archive/2026/10/19/numbermania-1792368301.png','/calculate-the-number-4024/8869'))
NUMBERMANIA: Calculate the number 4024 using numbers [2, 4, 7, 8, 45, 333] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
