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Monthly Archive - July 2026 (page 3)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30. |
Which is a winning combination of digits?
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 3015
NUMBERMANIA: Calculate the number 3015 using numbers [8, 9, 2, 7, 10, 317] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
If b2b5a + aabc9 = 151307 find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math

A man running late for his once in a lifetime dream...
A man running late for his once in a lifetime dream job interview is frantically trying to find a parking spot in a packed lot...
Time is not on his side, and he starts to panic. In his last ditch attempt, he turns to the skies, and begs: “God, please, help me out here. I’ll do anything… I’ll quit smoking. I’ll stop drinking. I’ll donate money to charity.” As soon as he finishes his plea, the skies open up, and the bright light shines on to an empty parking space. The man holds up his hand, and goes: “Never mind, I found one”.
What a winning combination?
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 3990
NUMBERMANIA: Calculate the number 3990 using numbers [2, 7, 7, 2, 95, 423] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. Correct answers: 0
#brainteasers #math #numbermania
Find number abc
If c1624 + 1b6b4 = 10c2ca find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math
Find the right combination
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: 2
#brainteasers #mastermind
Calculate the number 584
NUMBERMANIA: Calculate the number 584 using numbers [8, 2, 7, 2, 37, 316] 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
The aim is to place the some numbers from the list (3, 10, 11, 14, 18, 19, 22, 34, 35, 38, 76, 95) 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 84b40 + 4c8ba = acb6aa find number abc. Multiple solutions may exist. Correct answers: 0
#brainteasers #math