## The Most Difficult Tasks (page 2)puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20. |

## MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (7, 8, 11, 20, 21, 24, 49, 59, 66, 67, 70) 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:

**0**#brainteasers #math #magicsquare

## Find number abc

If 9c787 + bb2ab = c3a05c find number abc. Multiple solutions may exist.Correct answers:

**0**#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:

**0**#brainteasers #mastermind

### Act Your Age

When the new activities director for the rec center walked in, all us retirees quickly took notice. She was 20-something and gorgeous. My buddy whispered, “She makes me wish I was 30 years older.”

“Don’t you mean 30 years younger?” I asked.

“No. If I were 30 years younger, I’d still never have a chance with a woman like that. If I were 30 years older, it wouldn’t bother me so much.”

## Calculate the number 2102

NUMBERMANIA: Calculate the number 2102 using numbers [8, 3, 1, 6, 23, 195] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**0**#brainteasers #math #numbermania

## Find number abc

If 3c8a6 + c660a = abc0c find number abc. Multiple solutions may exist.Correct answers:

**0**#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:

**0**#brainteasers #mastermind

## Calculate the number 8773

NUMBERMANIA: Calculate the number 8773 using numbers [5, 8, 8, 1, 97, 668] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**0**#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (6, 7, 9, 10, 11, 12, 19, 22, 24, 60) 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:

**0**#brainteasers #math #magicsquare

## Find number abc

If ac3a7 - cbb1c = c3a4a find number abc. Multiple solutions may exist.Correct answers:

**0**#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:

**0**#brainteasers #mastermind