## Monthly Archive - August 2019brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |

Register with your
Check your ranking on list.

## MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (11, 12, 17, 30, 31, 36, 44, 68, 69, 74) 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:

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

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

## Find number abc

If 850a9 - 5bacb = cc6b8 find number abc. Multiple solutions may exist.Correct answers:

**9**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:

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

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

## Calculate the number 770

NUMBERMANIA: Calculate the number 770 using numbers [2, 6, 5, 5, 15, 765] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

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

## Find number abc

If 9a1c5 - a9b17 = a516c find number abc. Multiple solutions may exist.Correct answers:

**13**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:

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

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

## Calculate the number 7350

NUMBERMANIA: Calculate the number 7350 using numbers [8, 9, 3, 6, 88, 621] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**5**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 (15, 16, 17, 25, 26, 27, 33, 54, 55, 56, 61) 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:

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

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

## Find number abc

If b1451 - 6ab3c = 1b6a1 find number abc. Multiple solutions may exist.Correct answers:

**19**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:

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

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