## Math (page 2)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 11 to 20. |

Register with your
Check your ranking on list.

## Calculate the number 714

NUMBERMANIA: Calculate the number 714 using numbers [1, 1, 6, 2, 24, 660] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**6**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math #numbermania

## Find number abc

If aab9a - 2b40c = 393cc find number abc. Multiple solutions may exist.Correct answers:

**21**The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math

## Calculate the number 5020

NUMBERMANIA: Calculate the number 5020 using numbers [6, 8, 6, 6, 49, 338] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**7**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A+B-C

The aim is to place the some numbers from the list (4, 8, 9, 10, 11, 12, 13, 59, 60, 61, 80) 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:

**13**The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math #magicsquare

## Find number abc

If b0ba2 - c6aa6 = 1c696 find number abc. Multiple solutions may exist.Correct answers:

**18**The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math

## Calculate the number 6920

NUMBERMANIA: Calculate the number 6920 using numbers [2, 4, 6, 2, 98, 841] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**7**The first user who solved this task is

**Nílton Corrêa de Sousa**.#brainteasers #math #numbermania

## Find number abc

If 719c6 - 435a4 = ab3ba find number abc. Multiple solutions may exist.Correct answers:

**17**The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math

## Calculate the number 6705

NUMBERMANIA: Calculate the number 6705 using numbers [3, 3, 8, 2, 98, 592] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

**6**The first user who solved this task is

**Fazil Hashim**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A-B+C

The aim is to place the some numbers from the list (1, 3, 5, 8, 25, 27, 30, 38, 40, 42, 43) 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:

**14**The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math #magicsquare

## Find number abc

If 8aa38 - 60c80 = ca1b8 find number abc. Multiple solutions may exist.Correct answers:

**20**The first user who solved this task is

**Nasrin 24 T**.#brainteasers #math