## Monthly Archive - March 2021brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |

## Find number abc

If 41a4b + 5a720 = 950cb find number abc. Multiple solutions may exist.Correct answers:

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

**Nasrin 24 T**.#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:

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

**Nasrin 24 T**.#brainteasers #mastermind

## Calculate the number 4912

NUMBERMANIA: Calculate the number 4912 using numbers [7, 8, 6, 5, 97, 633] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**Nasrin 24 T**.#brainteasers #math #numbermania

## Find number abc

If a84bc + a32a6 = 1a1b66 find number abc. Multiple solutions may exist.Correct answers:

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

**Nasrin 24 T**.#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:

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

**Nasrin 24 T**.#brainteasers #mastermind

## Calculate the number 1815

NUMBERMANIA: Calculate the number 1815 using numbers [7, 2, 1, 6, 88, 961] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**NĂlton CorrĂȘa de Sousa**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 9, 12, 13, 14, 18, 22, 24, 28, 42) 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:

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

**Nasrin 24 T**.#brainteasers #math #magicsquare

## Find number abc

If 9ca9a - a0b0b = 1cb9b find number abc. Multiple solutions may exist.Correct answers:

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

**Nasrin 24 T**.#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:

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

**Nasrin 24 T**.#brainteasers #mastermind

## Calculate the number 1574

NUMBERMANIA: Calculate the number 1574 using numbers [6, 5, 3, 4, 98, 243] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**Nasrin 24 T**.#brainteasers #math #numbermania