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

## 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:

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

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

## Calculate the number 877

NUMBERMANIA: Calculate the number 877 using numbers [7, 1, 2, 1, 15, 866] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**14**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, 7, 10, 11, 13, 23, 24, 26, 88) 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

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

### A mother, accompanied by her s...

A mother, accompanied by her small daughter, was in New York City. The mother was trying to hail a cab, when her daughter noticed several wildly dressed women who were loitering on a nearby street corner.

The mother finally hailed her cab and they both climbed in, at which point the young daughter asks her mother, "Mommy, what are all those ladies waiting for by that corner?"

The mother replies, "Those ladies are waiting for their husbands to come by and pick them up on the way home from work."

The cabby, upon hearing this exchange, turns to the mother and says, "Ah, C'mon lady! Tell your daughter the truth! For crying out loud...They're hookers!"

A brief period of silence follows, and the daughter then asks, "Mommy, do the hooker ladies have any children?"

The mother replies, "Of course, Dear. Where do you think cabbies come from?"

The mother finally hailed her cab and they both climbed in, at which point the young daughter asks her mother, "Mommy, what are all those ladies waiting for by that corner?"

The mother replies, "Those ladies are waiting for their husbands to come by and pick them up on the way home from work."

The cabby, upon hearing this exchange, turns to the mother and says, "Ah, C'mon lady! Tell your daughter the truth! For crying out loud...They're hookers!"

A brief period of silence follows, and the daughter then asks, "Mommy, do the hooker ladies have any children?"

The mother replies, "Of course, Dear. Where do you think cabbies come from?"

## Find number abc

If aac67 - 2b20c = b26a9 find number abc. Multiple solutions may exist.Correct answers:

**18**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:

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

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

## Calculate the number 5613

NUMBERMANIA: Calculate the number 5613 using numbers [6, 9, 4, 2, 31, 597] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

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

## Find number abc

If 75849 + 856ac = b6b479 find number abc. Multiple solutions may exist.Correct answers:

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

**Nílton Corrêa de Sousa**.#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.Correct answers:

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

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

## Calculate the number 362

NUMBERMANIA: Calculate the number 362 using numbers [5, 5, 1, 7, 20, 279] 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 (11, 12, 17, 30, 31, 36, 44, 68, 69, 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.Correct answers:

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

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