## Monthly Archive - October 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 3836

NUMBERMANIA: Calculate the number 3836 using numbers [7, 1, 9, 6, 98, 455] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**1**#brainteasers #math #numbermania

## Find number abc

If a4ab4 - 422c4 = 12310 find number abc. Multiple solutions may exist.Correct answers:

**12**#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.Correct answers:

**4**#brainteasers #mastermind

## Calculate the number 2420

NUMBERMANIA: Calculate the number 2420 using numbers [2, 2, 5, 1, 97, 582] 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 (3, 4, 6, 15, 16, 18, 22, 23, 25, 86) 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 c6cb4 - c1a0a = 56ba 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:

**3**#brainteasers #mastermind

## Calculate the number 826

NUMBERMANIA: Calculate the number 826 using numbers [3, 6, 1, 6, 86, 579] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**1**#brainteasers #math #numbermania

## Find number abc

If 4410c + 67ab0 = 111bbc find number abc. Multiple solutions may exist.Correct answers:

**7**#brainteasers #math