# Daily Brain Teasers for Friday, 13 November 2020

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

## Calculate the number 2120

NUMBERMANIA: Calculate the number 2120 using numbers [1, 5, 3, 8, 17, 760] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.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 (9, 12, 16, 22, 25, 31, 33, 34, 36, 38, 40, 42, 59) 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 c0181 - ba175 = b7006 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

## Mars satelliteIn 1971, Mariner-9, the first man-made object to orbit another planet, entered Martian orbit. The mission of the unmanned craft was to return photographs mapping 70% of the surface, and to study the planet's thin atmosphere, clouds, and hazes, together with its surface chemistry and seasonal changes. |

## Calculate the number 1556

NUMBERMANIA: Calculate the number 1556 using numbers [2, 1, 5, 5, 95, 362] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.The first user who solved this task is

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

## Find number abc

If aa1bb - 4bcab = 31480 find number abc. Multiple solutions may exist.The first user who solved this task is

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

## Calculate the number 1426

NUMBERMANIA: Calculate the number 1426 using numbers [8, 9, 1, 2, 43, 309] 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 (2, 9, 12, 18, 23, 26, 32, 65, 68, 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.The first user who solved this task is

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

## Find number abc

If 3c3ab + 32bc4 = a28a9 find number abc. Multiple solutions may exist.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.The first user who solved this task is

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