## Brain Teaserspuzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 1 to 10. |

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## 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:

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

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

## Calculate the number 678

NUMBERMANIA: Calculate the number 678 using numbers [7, 1, 1, 2, 82, 603] 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 caabc - 4caba = 32aac find number abc. Multiple solutions may exist.Correct answers:

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

**Nasrin 24 T**.#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:

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

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

## Calculate the number 1651

NUMBERMANIA: Calculate the number 1651 using numbers [7, 2, 6, 1, 73, 614] 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 (5, 16, 17, 20, 24, 25, 28, 34, 39, 40, 43, 55) 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:

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

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

## Find number abc

If 6b59c - 169ac = c6670 find number abc. Multiple solutions may exist.Correct answers:

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

**Nasrin 24 T**.#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:

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

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

## Calculate the number 613

NUMBERMANIA: Calculate the number 613 using numbers [2, 8, 9, 4, 39, 538] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

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

## Find number abc

If 76a8a + 97b82 = 17a86c find number abc. Multiple solutions may exist.Correct answers:

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

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