## Monthly Archive - February 2023brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |

## 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:

**3**#brainteasers #mastermind

## Calculate the number 5765

NUMBERMANIA: Calculate the number 5765 using numbers [9, 8, 9, 7, 52, 672] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**1**#brainteasers #math #numbermania

## Find number abc

If 4a7a5 - bc047 = 2c7bc find number abc. Multiple solutions may exist.Correct answers:

**4**#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:

**9**#brainteasers #mastermind

## Calculate the number 3307

NUMBERMANIA: Calculate the number 3307 using numbers [6, 3, 1, 8, 52, 970] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**1**#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (13, 14, 16, 21, 22, 24, 37, 38, 40, 90, 91, 98) 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**#brainteasers #math #magicsquare

## Find number abc

If 614cb - 54c44 = a1a6 find number abc. Multiple solutions may exist.Correct answers:

**3**#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:

**3**#brainteasers #mastermind

## Calculate the number 987

NUMBERMANIA: Calculate the number 987 using numbers [8, 9, 1, 4, 15, 934] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**1**#brainteasers #math #numbermania

## Find number abc

If 2232a + 678ba = 90bc0 find number abc. Multiple solutions may exist.Correct answers:

**2**#brainteasers #math