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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
What day it is today?
Whilst sitting down for breakfast a woman says to her husband, "I bet you don’t know what day it is today."
The husband replies, "Of course I do darling. How could I ever forget?"
The husband leaves for work and later that morning a dozen red roses are delivered. In the afternoon a huge box of chocolates arrive at the door followed by a beautiful evening dress. When he arrives back home the husband gives his wife a beautiful pearl necklace.
His wife throws her arms around him and gives him a huge kiss, exclaiming,
"I've never had such a wonderful Chinese New Year in my whole life!"
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
