BRAIN TEASERS

Daily Brain Teasers for Thursday, 04 September 2025

Daily Brain Teasers for Thursday, 04 September 2025 puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ...

MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (6, 8, 12, 17, 19, 22, 23, 43, 46, 62, 64, 68) 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.
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#brainteasers #math #magicsquare

Find number abc

If 8c0bc - c1bac = 51c10 find number abc. Multiple solutions may exist.
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#brainteasers #math

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.
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#brainteasers #mastermind

I understand how gem...

“I understand how gems were made. The concept is crystal clear to me.”

Jokes of the day - Daily updated jokes. New jokes every day.

Calculate the number 7661

NUMBERMANIA: Calculate the number 7661 using numbers [2, 8, 9, 9, 98, 617] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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#brainteasers #math #numbermania

Frederic Tudor

Born 4 Sep 1783; died 6 Feb 1864 at age 80.American businessman who, long before the availability of electric refrigerators, created an export trade in block ice harvested from frozen fresh-water ponds in New England during Winter, and shipped to India, Europe and the Carribbean in insulated cargo holds, and stored in insulated warehouses. His first vessel left on 10 Feb 1806 to deliver ice from Boston to Martinique. In the following years, he improved methods of insulation during transport, experimented with exporting fruit preserved in the low temperature on top the ice in the ship's hold. His first cargo to Calcutta, India, arrived 13 Sep 1833. At times, he experienced huge debts. However, he managed eventually to pay off his debts and expand his ice business to produce comfortable profits.«

Find number abc

If 3104a - bcca4 = b191 find number abc. Multiple solutions may exist.
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#brainteasers #math

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.
CHECK ANSWER
#brainteasers #mastermind

Calculate the number 1057

NUMBERMANIA: Calculate the number 1057 using numbers [1, 4, 6, 5, 68, 103] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
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#brainteasers #math #numbermania

MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (1, 4, 6, 9, 10, 15, 22, 25, 31, 56, 92, 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.
CHECK ANSWER
#brainteasers #math #magicsquare

Find number abc

If 779c9 - 4b5aa = 3c3ab find number abc. Multiple solutions may exist.
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#brainteasers #math

Calculate the number 1178

NUMBERMANIA: Calculate the number 1178 using numbers [8, 2, 7, 6, 17, 255] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
CHECK ANSWER
#brainteasers #math #numbermania
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