BRAIN TEASERS
Monthly Archive - August 2026

Monthly Archive - August 2026

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Calculate the number 323

NUMBERMANIA: Calculate the number 323 using numbers [4, 4, 6, 6, 29, 125] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If b492c + 4ba50 = a8cac find number abc. Multiple solutions may exist.
Correct answers: 1
CHECK ANSWER
#brainteasers #math
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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
CHECK ANSWER
#brainteasers #mastermind

Hannibal Buress: Cancer Walks

I don't believe in cancer walks. Well, I believe in them because they exist but I'd rather just give money straight up and save my Saturday afternoon. I can make my own t-shirt, that's not incentive. Plus I don't think cancer responds to how far people walk. I don't think cancer's sitting at home, 'What? How many people walked how far? How many people walked how far wearing the same shirt? That's crazy! I'm out of here!' Remission.
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Calculate the number 727

NUMBERMANIA: Calculate the number 727 using numbers [9, 2, 8, 9, 49, 630] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (1, 4, 5, 20, 21, 24, 25, 50, 53, 54, 81) 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
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#brainteasers #math #magicsquare
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Find number abc

If 9acb5 + 9a603 = b9c3ba find number abc. Multiple solutions may exist.
Correct answers: 1
CHECK ANSWER
#brainteasers #math
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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
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1450

NUMBERMANIA: Calculate the number 1450 using numbers [8, 5, 2, 3, 12, 737] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 576a5 + a1a56 = bb1c1 find number abc. Multiple solutions may exist.
Correct answers: 1
CHECK ANSWER
#brainteasers #math
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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Audouin Dollfus

Born 12 Nov 1924.French astronomer who was the successor to Bernard Lyot as the principal French authority on the solar system. Dollfus made several balloon flights for high-altitude observations, including the first stratospheric ascension in France. On the basis of comparative light-polarizing qualities, he concluded that the surface material of Mars consists of pulverized limonite (an iron oxide, Fe2O3) and prepared a map of Venus showing what he believed to be permanent features. On 15 Dec 1966, he discovered Saturn's tenth known satellite, Janus. Subsequently lost, it is now accepted to be satellite 1980S1 orbiting Saturn in an almost circular orbit of radius 151,472 km in a period of 0.69433 days. A small satellite of diameter no more than 220 km, Janus is a co-orbital satellite with Epimetheus.
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