# Daily Brain Teasers for Friday, 16 October 2020

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

## Calculate the number 958

NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] 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, 6, 7, 9, 11, 12, 27, 50, 52, 53) 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 8b6b8 + 46594 = c2a2b2 find number abc. Multiple solutions may exist.The first user who solved this task is

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

### Playing house...

A couple of young children are at day care one day when one of the little girls approaches Tommy and says, "Hey, Tommy, wanna play house?"

"Sure! What do you want me to do?" he asks.

The little girl replies, "I want you to communicate your feelings."

"Communicate my feelings?" questions a bewildered Tommy. "I have no idea what that means..."

The little girl smirks and says, "Perfect. You can be the husband."

## 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

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

## Eugene EisenmannDied 16 Oct 1981 at age 75 (born 19 Feb 1906).American ornithologist considered an expert on neotropical birds, centered in Panama and extending north into Middle America and south into western South America. At age 51, he retired from the legal profession to pursue his lifelong interest in Middle and South American birds on full-time basis. He was born in Panama, and returned there annually to study the rich birdlife and keep in touch his family. In 1957, he was appointed a Research Associate of the American Museum of Natural History in New York, a position he held until his death. He published only about 30 many papers, but his extensive notes on systematics, behavior, and distribution of Middle American birds remain as an invaluable resource for anyone studying the subject. |

## Calculate the number 1371

NUMBERMANIA: Calculate the number 1371 using numbers [3, 1, 6, 5, 30, 401] 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 b8a86 - c3bcb = 3b672 find number abc. Multiple solutions may exist.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.The first user who solved this task is

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

## Calculate the number 762

NUMBERMANIA: Calculate the number 762 using numbers [1, 5, 9, 2, 49, 707] 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, 5, 13, 14, 15, 23, 30, 31, 39, 97) 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 71b3c - 33b1c = 3c0a0 find number abc. Multiple solutions may exist.The first user who solved this task is

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