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Monthly Archive - April 2025brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Find number abc
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If 94c7c + b663a = bbb5b0 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/2025/04/29/mastermind-1745885101.png','/Find-the-right-combination/8343'))
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 1290
. Each of the numbers can be used only once.','/archive/2025/04/28/numbermania-1745798701.png','/calculate-the-number-1290/8342'))
NUMBERMANIA: Calculate the number 1290 using numbers [9, 7, 6, 4, 42, 824] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Time Machine
A scientist was convinced that his recent Time Machine invention could also double as a replicator.
To prove this, he sent his pet duck 1 minute and 2 minutes into the future simultaneously.
After a minute, the first duck appeared unharmed.
The second duck materialized and both ducks were instantly annihilated.
The appearance of the second duck had created a pair of ducks.
by Jester57
Find number abc
)
If b5a11 + bc385 = 1a959b 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/2025/04/26/mastermind-1745625901.png','/Find-the-right-combination/8340'))
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 2153
. Each of the numbers can be used only once.','/archive/2025/04/25/numbermania-1745539501.png','/calculate-the-number-2153/8339'))
NUMBERMANIA: Calculate the number 2153 using numbers [2, 8, 9, 1, 82, 189] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#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/2025/04/24/magic-square-1745453143.png','/MAGIC-SQUARE-Calculate-A-B-C/8338'))
The aim is to place the some numbers from the list (23, 24, 25, 30, 31, 32, 46, 47, 48, 52, 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: 1
#brainteasers #math #magicsquare
Find number abc
)
If 55abb + 78174 = 1cc774 find number abc. Multiple solutions may exist. Correct answers: 1
#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/2025/04/22/mastermind-1745280301.png','/Which-is-a-winning-combination-of-digits/8336'))
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 3637
. Each of the numbers can be used only once.','/archive/2025/04/21/numbermania-1745193901.png','/calculate-the-number-3637/8335'))
NUMBERMANIA: Calculate the number 3637 using numbers [5, 5, 9, 8, 26, 431] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
