# Daily Brain Teasers for Sunday, 07 July 2019

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ... |

## Find number abc

If 4cac9 - 4c0b5 = c54 find number abc. Multiple solutions may exist.The first user who solved this task is

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

## Calculate the number 3221

NUMBERMANIA: Calculate the number 3221 using numbers [8, 7, 4, 5, 71, 860] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.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 (4, 9, 10, 17, 23, 24, 31, 43, 44, 47, 51) 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.The first user who solved this task is

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

## Find number abc

If cc48c - ca3bb = 8a23 find number abc. Multiple solutions may exist.The first user who solved this task is

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

## Joseph Marie JacquardBorn 7 Jul 1752; died 7 Aug 1834 at age 82. French weaver and inventor of the Jacquard programmable power loom for brocaded fabric. His loom would mechanically produce any pattern, controlled by perforated control cards (1805). This served as the impetus for the technological revolution of the textile industry and is the basis of the modern automatic loom. The concept of using punched cards was later applied by Hollerith to keeping track of the 1890 US census data. The idea further evolved to computer input punched cards. |

## 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.The first user who solved this task is

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

## Calculate the number 5389

NUMBERMANIA: Calculate the number 5389 using numbers [7, 7, 1, 7, 27, 750] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.The first user who solved this task is

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

## Find number abc

If 20b6c + a2a4c = 33aa4 find number abc. Multiple solutions may exist.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.The first user who solved this task is

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

## Calculate the number 476

NUMBERMANIA: Calculate the number 476 using numbers [4, 9, 3, 1, 40, 954] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.The first user who solved this task is

**Alfa Omega**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (3, 4, 8, 17, 18, 22, 44, 58, 59, 63) 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.The first user who solved this task is

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