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Monthly Archive - April 2026brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
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/2026/04/30/magic-square-1777507544.png','/MAGIC-SQUARE-Calculate-A-B-C/8703'))
The aim is to place the some numbers from the list (7, 8, 15, 16, 23, 24, 31, 65, 66, 73, 77) 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 964ba - 9bc90 = 4a2a find number abc. Multiple solutions may exist. Correct answers: 0
#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/2026/04/28/mastermind-1777334701.png','/Which-is-a-winning-combination-of-digits/8701'))
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: 0
#brainteasers #mastermind
Bad Pop Rocks
Cassie was taking two of her grandsons on their very first train ride from Dayton, Ohio to Washington, DC.
A vendor came down the corridor selling Pop Rocks, something neither had ever seen before.
Cassie bought each one a bag.
The first one eagerly tore open the bag and popped one into his mouth just as the train went into a tunnel.
When the train emerged from the tunnel, he looked across to his brother and said: "I wouldn't eat that if I were you."
"Why not?" replied the curious brother
"I took one bite and went blind for half a minute."
Calculate the number 6672
. Each of the numbers can be used only once.','/archive/2026/04/27/numbermania-1777248301.png','/calculate-the-number-6672/8700'))
NUMBERMANIA: Calculate the number 6672 using numbers [5, 8, 6, 2, 21, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
)
If b5b29 - 69bac = c599b find number abc. Multiple solutions may exist. Correct answers: 0
#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/2026/04/25/mastermind-1777075501.png','/Find-the-right-combination/8698'))
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: 0
#brainteasers #mastermind
Calculate the number 789
. Each of the numbers can be used only once.','/archive/2026/04/24/numbermania-1776989101.png','/calculate-the-number-789/8697'))
NUMBERMANIA: Calculate the number 789 using numbers [5, 5, 7, 5, 14, 546] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#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/2026/04/23/magic-square-1776902816.png','/MAGIC-SQUARE-Calculate-A-B-C/8696'))
The aim is to place the some numbers from the list (2, 5, 8, 13, 16, 28, 31, 32, 36, 44, 47, 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: 0
#brainteasers #math #magicsquare
Find number abc
)
If 2abb7 + ca3b2 = 11a02a find number abc. Multiple solutions may exist. Correct answers: 0
#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/2026/04/21/mastermind-1776729901.png','/What-a-winning-combination/8694'))
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: 0
#brainteasers #mastermind
