# Daily Brain Teasers for Tuesday, 26 September 2023

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |

## 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.#brainteasers #mastermind

## Calculate the number 959

NUMBERMANIA: Calculate the number 959 using numbers [1, 5, 8, 1, 98, 857] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.#brainteasers #math #numbermania

## Find number abc

If ac506 + 3c366 = 7ab7c find number abc. Multiple solutions may exist.#brainteasers #math

## 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.#brainteasers #mastermind

## Christopher HansteenBorn 26 Sep 1784; died 15 Apr 1873 at age 88.Norwegian astronomer and physicist who is noted for his research in geomagnetism. In 1701, Edmond Halley had already published a map of magnetic declinations, and the subject was studied by Humboldt, de Borda, and Gay-Lussac, among others. Hansteen collected available data and also mounted an expedition to Siberia, where he took many measurements for an atlas of magnetic strength and declination. |

## Calculate the number 4964

NUMBERMANIA: Calculate the number 4964 using numbers [6, 5, 9, 3, 27, 922] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (13, 14, 16, 20, 21, 23, 42, 49, 50, 52, 58, 79) 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.#brainteasers #math #magicsquare

## Find number abc

If 84bc5 + c26aa = 1aa0a2 find number abc. Multiple solutions may exist.#brainteasers #math

## 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.#brainteasers #mastermind

## Calculate the number 6715

NUMBERMANIA: Calculate the number 6715 using numbers [4, 9, 6, 8, 69, 567] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.#brainteasers #math #numbermania

## Find number abc

If b8acb + 9cac6 = bb0647 find number abc. Multiple solutions may exist.#brainteasers #math