BRAIN TEASERS

# Monthly Archive - January 2020

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.

## Calculate the number 7395

NUMBERMANIA: Calculate the number 7395 using numbers [5, 4, 8, 7, 74, 765] 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 (5, 8, 9, 23, 26, 27, 60, 63, 64, 67, 84) 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 46bac + 410c2 = b7bba find number abc. Multiple solutions may exist.
The first user who solved this task is Nasrin 24 T.
#brainteasers #math

### Proof of my insanity

Proof of my insanity was when I stole a dried grape from a cow: Textbook unraisin-a-bull behaviour.
Jokes of the day - Daily updated jokes. New jokes every day.

## 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

## Calculate the number 1998

NUMBERMANIA: Calculate the number 1998 using numbers [7, 7, 4, 1, 37, 252] 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

## Find number abc

If aac0b - a0c71 = 19c7 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 9159

NUMBERMANIA: Calculate the number 9159 using numbers [9, 7, 9, 8, 78, 534] 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 (10, 12, 16, 29, 31, 35, 62, 64, 68, 75) 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 3a42a + c4ac0 = 10bbba find number abc. Multiple solutions may exist.
The first user who solved this task is Nasrin 24 T.