## Monthly Archive - June 2022 (page 3)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30. |

## Calculate the number 2178

NUMBERMANIA: Calculate the number 2178 using numbers [2, 7, 6, 1, 96, 232] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**3**#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (23, 25, 26, 28, 33, 36, 41, 43, 51, 91) 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:

**2**#brainteasers #math #magicsquare

## Find number abc

If baa96 - bba71 = 2c2a find number abc. Multiple solutions may exist.Correct answers:

**4**#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.Correct answers:

**7**#brainteasers #mastermind

## Calculate the number 672

NUMBERMANIA: Calculate the number 672 using numbers [5, 8, 8, 6, 16, 618] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**2**#brainteasers #math #numbermania

## Find number abc

If b3a7a + 1077a = accb2 find number abc. Multiple solutions may exist.Correct answers:

**7**#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.Correct answers:

**10**#brainteasers #mastermind

## Calculate the number 1390

NUMBERMANIA: Calculate the number 1390 using numbers [5, 1, 7, 8, 61, 470] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**2**#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (9, 11, 16, 17, 21, 23, 28, 63, 70, 72, 77, 90) 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:

**2**#brainteasers #math #magicsquare

## Find number abc

If 3acb2 - 1887c = 17222 find number abc. Multiple solutions may exist.Correct answers:

**7**#brainteasers #math