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The Most Difficult Tasks (page 57)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 561 to 570. |
Calculate the number 983
. Each of the numbers can be used only once.','/archive/2024/02/16/numbermania-1708041901.png','/calculate-the-number-983/7906'))
NUMBERMANIA: Calculate the number 983 using numbers [4, 4, 9, 9, 73, 910] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Calculate the number 2434
. Each of the numbers can be used only once.','/archive/2024/02/09/numbermania-1707437101.png','/calculate-the-number-2434/7900'))
NUMBERMANIA: Calculate the number 2434 using numbers [4, 8, 4, 7, 67, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Calculate the number 4020
. Each of the numbers can be used only once.','/archive/2024/01/05/numbermania-1704413101.png','/calculate-the-number-4020/7865'))
NUMBERMANIA: Calculate the number 4020 using numbers [7, 8, 3, 4, 95, 352] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
A Pint of Less
A customer walked into a bar and said, “I’ll have a pint of less, please.”
“Less?” queried the bartender. “What’s that?”
“I don’t know either,” said the customer, “but my doctor told me to drink less.”
Find number abc
)
If c9b81 + 9baca = 1ca8ab find number abc. Multiple solutions may exist. Correct answers: 1
#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/2026/04/07/mastermind-1775520301.png','/Find-the-right-combination/8680'))
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
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/2026/04/04/mastermind-1775261101.png','/Find-the-right-combination/8677'))
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 3490
. Each of the numbers can be used only once.','/archive/2026/01/19/numbermania-1768781101.png','/calculate-the-number-3490/8603'))
NUMBERMANIA: Calculate the number 3490 using numbers [1, 6, 9, 8, 42, 316] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Find number abc
)
If 97ccb - a5b79 = 7b8aa 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/2026/01/17/mastermind-1768608301.png','/What-a-winning-combination/8601'))
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 3468
. Each of the numbers can be used only once.','/archive/2026/01/16/numbermania-1768521901.png','/calculate-the-number-3468/8600'))
NUMBERMANIA: Calculate the number 3468 using numbers [9, 1, 8, 9, 21, 273] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
