## Monthly Archive - August 2022brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |

## Find number abc

If a94a3 + bc698 = 8c1a1 find number abc. Multiple solutions may exist.**6**

## Calculate the number 1854

NUMBERMANIA: Calculate the number 1854 using numbers [1, 2, 3, 9, 99, 322] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.**2**

## Find number abc

If 5bb3c - 1ca5a = 415b5 find number abc. Multiple solutions may exist.**3**

### NASA Mars Mission

NASA was interviewing professionals they were planning on sending to Mars. The touchy part was that only one guy could go and it would be a one way trip, the guy would never return to Earth.

The interviewer asked the first applicant, an engineer, how much he wanted to be paid for going.

"One million dollars," the engineer answered. "And I want to donate it all to my alma mater -- Rice University."

The next applicant was a doctor, and the interviewer asked him the same question.

"Two millions dollars," the doctor said. "I want to give a million to my family and leave the other million for the advancement of medical research."

The last applicant was a lawyer. When asked how much money he wanted, he whispered in the interviewer's ear, "Three million dollars."

"Why so much more than the others?" the interviewer asked.

The lawyer replied, "You give me three million, I'll give you one million, I'll keep a million, and we'll send the engineer."

## 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.**4**

## Calculate the number 1968

NUMBERMANIA: Calculate the number 1968 using numbers [1, 1, 3, 3, 51, 454] 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 (8, 12, 15, 32, 36, 39, 63, 67, 68, 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.**4**

## Find number abc

If c3aa7 + 6bc3c = 1b3661 find number abc. Multiple solutions may exist.**4**

## 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.**6**

## Calculate the number 3877

NUMBERMANIA: Calculate the number 3877 using numbers [5, 6, 9, 2, 53, 544] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.**2**

## Find number abc

If abab0 - ba097 = 4ccb3 find number abc. Multiple solutions may exist.**5**