## Monthly Archive - March 2021brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |

## Find number abc

If 41a4b + 5a720 = 950cb find number abc. Multiple solutions may exist.Correct answers:

**36**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.Correct answers:

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

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

## Calculate the number 4912

NUMBERMANIA: Calculate the number 4912 using numbers [7, 8, 6, 5, 97, 633] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

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

### How Many Does It Take? - 1132, 1133, 1134

A sampling of the best lightbulb jokes

Q. How many Mormons does it take to change a lightbulb?

A. Seven. One to change the lightbulb, one to say the opening prayer, one to say the closing prayer, and four to bring green Jell-o salads and red punch.

Q. How many agnostics does it take to change a light bulb?

A. We can't know.

Q. How many motivational speakers does it take to change a light bulb?

A. One to do it, and every other one on earth to stand around saying that they did it first in the 80's.

Q. How many deists does it take to change a light bulb?

A. None. If the light bulb no longer interferes with the world, why bother interfering with the light bulb?

## Find number abc

If a84bc + a32a6 = 1a1b66 find number abc. Multiple solutions may exist.Correct answers:

**17**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:

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

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

## Calculate the number 1815

NUMBERMANIA: Calculate the number 1815 using numbers [7, 2, 1, 6, 88, 961] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**NĂlton CorrĂȘa de Sousa**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (7, 9, 12, 13, 14, 18, 22, 24, 28, 42) 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:

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

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

## Find number abc

If 9ca9a - a0b0b = 1cb9b find number abc. Multiple solutions may exist.Correct answers:

**36**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.Correct answers:

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

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

## Calculate the number 1574

NUMBERMANIA: Calculate the number 1574 using numbers [6, 5, 3, 4, 98, 243] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

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