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

## Find number abc

If b829a + 3cc29 = 994c9 find number abc. Multiple solutions may exist.Correct answers:

**25**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.Correct answers:

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

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

## Calculate the number 2725

NUMBERMANIA: Calculate the number 2725 using numbers [7, 9, 3, 5, 18, 312] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

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

A man was in his front yard mowing grass when his neighbor came out of the house and went straight to the mail box, opened it, then slammed it shut, and stormed back in the house.

A little later they came out again went to the mail box and again opened it, then slammed it shut again.

Angrily, back into the house they went.

As the man was getting ready to edge the lawn, the neighbor came out again, marched to the mail box, opened it and then slammed it closed harder than ever. Puzzled by his neighbors actions the man asked, "Is something wrong?"

To which the neighbor (who was not very computer savvy) replied, "There certainly is! My stupid computer keeps giving me a message saying, "YOU'VE GOT MAIL!"

## Find number abc

If c79c3 - baabb = 9bbc find number abc. Multiple solutions may exist.Correct answers:

**30**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:

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

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

## Calculate the number 695

NUMBERMANIA: Calculate the number 695 using numbers [1, 7, 7, 3, 45, 647] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**19**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 (10, 12, 13, 14, 15, 17, 32, 33, 35, 37, 74, 92) 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:

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

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

## Find number abc

If c7aac + 913a3 = 1b8cb8 find number abc. Multiple solutions may exist.Correct answers:

**33**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:

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

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

## Calculate the number 3112

NUMBERMANIA: Calculate the number 3112 using numbers [8, 7, 6, 6, 60, 402] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

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