## Monthly Archive - March 2020brain 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:

**31**The first user who solved this task is

**Fazil Hashim**.#brainteasers #mastermind

## Calculate the number 3040

NUMBERMANIA: Calculate the number 3040 using numbers [6, 9, 2, 7, 71, 319] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**16**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math #numbermania

## Find number abc

If b89aa - 2b608 = a13cb find number abc. Multiple solutions may exist.Correct answers:

**33**The first user who solved this task is

**Anas Diab**.#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:

**44**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #mastermind

## Calculate the number 1190

NUMBERMANIA: Calculate the number 1190 using numbers [8, 6, 8, 5, 20, 615] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**10**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (8, 12, 15, 16, 27, 31, 33, 34, 37, 40) 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:

**15**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math #magicsquare

## Find number abc

If 98015 - ba771 = a12cc find number abc. Multiple solutions may exist.Correct answers:

**39**The first user who solved this task is

**Nílton Corrêa de Sousa**.#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:

**25**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #mastermind

## Calculate the number 8208

NUMBERMANIA: Calculate the number 8208 using numbers [6, 7, 9, 3, 25, 807] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**10**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math #numbermania

## Find number abc

If 9a76b + ba769 = acb5bc find number abc. Multiple solutions may exist.Correct answers:

**29**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math