BRAIN TEASERS

# Math

These are fun math riddles. All of these tricky riddles are based on real math concepts and can be solved with purely math and logic. These are the tasks listed 1 to 10.

## MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (4, 6, 9, 11, 12, 13, 14, 16, 17, 90) 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.
#brainteasers #math #magicsquare

## Find number abc

If bc99c - a96ab = a136b find number abc. Multiple solutions may exist.
#brainteasers #math

## Calculate the number 246

NUMBERMANIA: Calculate the number 246 using numbers [1, 6, 7, 9, 66, 170] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

### Ethical Problem

An attorney had just finished a consultation with an elderly, nearly blind widow, for which he charged her \$100. The widow opened her purse and removed a \$100 bill. When the lawyer accepted it, he noticed there was another 100 stuck to it. Immediately the lawyers keen legal mind realized he was faced with a vital ethical question:

Should he tell his partner?

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## Find number abc

If 66405 + a0868 = bc2ca find number abc. Multiple solutions may exist.
#brainteasers #math

## Calculate the number 2496

NUMBERMANIA: Calculate the number 2496 using numbers [1, 5, 5, 1, 54, 363] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (15, 16, 24, 27, 28, 36, 37, 63, 64, 72) 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.
#brainteasers #math #magicsquare

## Find number abc

If aaccb - 1ba77 = 1c072 find number abc. Multiple solutions may exist.
#brainteasers #math

## Calculate the number 2147

NUMBERMANIA: Calculate the number 2147 using numbers [8, 4, 7, 9, 63, 679] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania

## Find number abc

If cbc94 + b28ba = a405c5 find number abc. Multiple solutions may exist.
#brainteasers #math

## Calculate the number 2421

NUMBERMANIA: Calculate the number 2421 using numbers [2, 7, 9, 8, 97, 785] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
#brainteasers #math #numbermania
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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.