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

## Calculate the number 292

NUMBERMANIA: Calculate the number 292 using numbers [3, 3, 8, 7, 37, 175] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**5**#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (1, 2, 4, 5, 6, 8, 42, 43, 44, 46, 67) 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:

**3**#brainteasers #math #magicsquare

## Find number abc

If 25aab - ccc22 = ca327 find number abc. Multiple solutions may exist.Correct answers:

**15**#brainteasers #math

### Running Out Of Fuel

My friend is notorious for waiting until the needle is on empty before filling his gas tank. Finally his car died on him, and we had to push it to the nearest filling station. After my friend finished pumping gas, the attendant asked if he had learned anything.

“Yeah,” my friend muttered, “I learned I have a 15-gallon tank.”

## 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:

**8**#brainteasers #mastermind

## Calculate the number 343

NUMBERMANIA: Calculate the number 343 using numbers [6, 3, 2, 6, 71, 420] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**5**#brainteasers #math #numbermania

## Find number abc

If cc4c5 - c00b4 = c4a1 find number abc. Multiple solutions may exist.Correct answers:

**37**#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:

**7**#brainteasers #mastermind

## Calculate the number 514

NUMBERMANIA: Calculate the number 514 using numbers [9, 2, 6, 3, 99, 443] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**4**#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (7, 8, 9, 13, 26, 28, 32, 40, 42, 44, 48) 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:

**4**#brainteasers #math #magicsquare

## Find number abc

If 788ac - a5aa9 = b3b9b find number abc. Multiple solutions may exist.Correct answers:

**10**#brainteasers #math