## Monthly Archive - July 2022 (page 2)brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20. |

## Calculate the number 7724

NUMBERMANIA: Calculate the number 7724 using numbers [5, 7, 6, 4, 72, 992] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**1**#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (14, 15, 19, 27, 28, 32, 40, 41, 45, 95) 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 b4c09 - cb9a2 = 2cc3a find number abc. Multiple solutions may exist.Correct answers:

**5**#brainteasers #math

### A father and son went fishing...

A father and son went fishing one day. While they were out in the boat, the boy suddenly became curious about the world around him. He asked his father, "How does this boat float?

The father replied, "Don't rightly know son." A little later, the boy looked at his father and asked, "How do fish breath underwater?"

Once again the father replied, "Don't rightly know son." A little later the boy asked his father, "Why is the sky blue?"

Again, the father replied. "Don't rightly know son." Finally, the boy asked his father, "Dad, do you mind my asking you all of these questions?"

The father replied, "Of course not, you don't ask questions, you never learn nothin'."

The father replied, "Don't rightly know son." A little later, the boy looked at his father and asked, "How do fish breath underwater?"

Once again the father replied, "Don't rightly know son." A little later the boy asked his father, "Why is the sky blue?"

Again, the father replied. "Don't rightly know son." Finally, the boy asked his father, "Dad, do you mind my asking you all of these questions?"

The father replied, "Of course not, you don't ask questions, you never learn nothin'."

## 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:

**9**#brainteasers #mastermind

## Calculate the number 595

NUMBERMANIA: Calculate the number 595 using numbers [5, 2, 8, 2, 52, 571] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**5**#brainteasers #math #numbermania

## Find number abc

If b51ca - ba6b7 = 444c find number abc. Multiple solutions may exist.Correct answers:

**4**#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:

**8**#brainteasers #mastermind

## Calculate the number 3628

NUMBERMANIA: Calculate the number 3628 using numbers [3, 4, 4, 8, 88, 980] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**3**#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (1, 2, 3, 4, 8, 10, 12, 13, 14, 20, 32, 44) 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:

**2**#brainteasers #math #magicsquare

## Find number abc

If 8b2a8 - cba60 = 29c18 find number abc. Multiple solutions may exist.Correct answers:

**9**#brainteasers #math