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

Register with your
Check your ranking on list.

## 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:

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

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

## Calculate the number 2151

NUMBERMANIA: Calculate the number 2151 using numbers [3, 7, 2, 1, 58, 420] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**Fazil Hashim**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (13, 14, 22, 30, 31, 39, 72, 73, 81, 86) 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

**Fazil Hashim**.#brainteasers #math #magicsquare

## Find number abc

If 6c533 - b33a0 = 44153 find number abc. Multiple solutions may exist.Correct answers:

**20**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:

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

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

## Calculate the number 682

NUMBERMANIA: Calculate the number 682 using numbers [8, 2, 2, 4, 25, 300] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**Fazil Hashim**.#brainteasers #math #numbermania

## Find number abc

If 8ab0c - cb715 = c288a find number abc. Multiple solutions may exist.Correct answers:

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

**Fazil Hashim**.#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

**Fazil Hashim**.#brainteasers #mastermind

## Calculate the number 208

NUMBERMANIA: Calculate the number 208 using numbers [3, 2, 3, 6, 33, 221] 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

## MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (6, 10, 15, 25, 29, 31, 34, 35, 38, 40, 49, 69) 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:

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

**Fazil Hashim**.#brainteasers #math #magicsquare