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Monthly Archive - January 2026 (page 3)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30. |
Find number abc
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If 89ab9 - bc00c = 6babb find number abc. Multiple solutions may exist. Correct answers: 3
#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/2026/01/10/mastermind-1768003501.png','/Find-the-right-combination/8594'))
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 8216
. Each of the numbers can be used only once.','/archive/2026/01/09/numbermania-1767917101.png','/calculate-the-number-8216/8593'))
NUMBERMANIA: Calculate the number 8216 using numbers [7, 6, 1, 9, 68, 585] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 1
#brainteasers #math #numbermania
Pilot: Have you ever flown in ...
Pilot: Have you ever flown in a small plane before?
Passenger: No, I have not.
Pilot: Well, here is some chewing gum. It will help to keep your ears from popping.
Pilot (after the plane landed): Did the gum help?
Passenger: Yep. It worked fine. The only trouble is I cant get the gum out of my ears.
Passenger: No, I have not.
Pilot: Well, here is some chewing gum. It will help to keep your ears from popping.
Pilot (after the plane landed): Did the gum help?
Passenger: Yep. It worked fine. The only trouble is I cant get the gum out of my ears.
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/2026/01/08/magic-square-1767830745.png','/MAGIC-SQUARE-Calculate-A-B-C/8592'))
The aim is to place the some numbers from the list (6, 15, 17, 18, 19, 21, 22, 33, 35, 36, 92) 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 795ac - 7cb37 = babb 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/2026/01/06/mastermind-1767657901.png','/Which-is-a-winning-combination-of-digits/8590'))
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 3430
. Each of the numbers can be used only once.','/archive/2026/01/05/numbermania-1767571501.png','/calculate-the-number-3430/8589'))
NUMBERMANIA: Calculate the number 3430 using numbers [5, 5, 1, 8, 73, 707] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If 73bb4 - 64b3b = ac74 find number abc. Multiple solutions may exist. Correct answers: 1
#brainteasers #math
Calculate the number 4128
. Each of the numbers can be used only once.','/archive/2026/01/02/numbermania-1767312301.png','/calculate-the-number-4128/8587'))
NUMBERMANIA: Calculate the number 4128 using numbers [7, 4, 1, 3, 63, 962] 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/2026/01/01/magic-square-1767225944.png','/MAGIC-SQUARE-Calculate-A-B-C/8586'))
The aim is to place the some numbers from the list (5, 7, 11, 14, 16, 20, 32, 34, 38, 51, 61) 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
