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

## Calculate the number 2901

NUMBERMANIA: Calculate the number 2901 using numbers [5, 6, 2, 8, 56, 497] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.**2**

## Find number abc

If c1c62 - 2a367 = b7a9b find number abc. Multiple solutions may exist.**6**

## 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.**7**

### Dog playing piano

It is World Piano Day!

A man walks into a bar with a small dog under his arm and sits down at the counter, placing the dog on the stool next to him. The bartender says, "Sorry, pal. No dogs allowed."

The man says, "But this is a special dog – he plays the piano!"

The bartender replies, "Well, if he can play that piano, you both can stay... and have a drink on the house!"

So the man puts the dog on the piano stool, and the dog starts playing. Ragtime, Mozart... and then he plays some rock 'n' roll. The bartender and patrons are amazed.

Suddenly, a bigger dog runs in, grabs the small dog by the scruff of the neck, and drags him out. The bartender asks the man, "What was that all about?"

The man replies, "Oh, that was his mother. She wanted him to be a doctor."

## Calculate the number 8175

NUMBERMANIA: Calculate the number 8175 using numbers [6, 4, 5, 7, 41, 913] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.**2**

## MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (9, 10, 12, 19, 20, 22, 38, 70, 71, 73, 86) 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.**2**

## Find number abc

If 86358 - 2a65b = 6c6bb find number abc. Multiple solutions may exist.**5**

## 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.**10**

## Calculate the number 5439

NUMBERMANIA: Calculate the number 5439 using numbers [7, 9, 5, 1, 24, 769] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.**2**

## Find number abc

If cb8a8 + 41bc6 = aa6c4 find number abc. Multiple solutions may exist.**3**

## 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.**10**