## 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. |

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## Calculate the number 576

NUMBERMANIA: Calculate the number 576 using numbers [8, 1, 5, 9, 26, 480] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math #numbermania

## Find number abc

If a65a5 + bc4c4 = 1169a9 find number abc. Multiple solutions may exist.Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math

## What number comes next?

Look at the series (538, 403, 120, ?), determine the pattern, and find the value of the next number!Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math #riddles

### Three older ladies...

Three older ladies were discussing the travails of getting older.

One said, "Sometimes I catch myself with a jar of mayonnaise in my hand, in front of the refrigerator, and I can't remember whether I was taking it out or putting it away."

The second lady said, "Yes, sometimes I find myself on the landing of the stairs, and I can't remember whether I was on my up, or on my way down."

The third lady chimed in, "Well, I'm glad I don't have those problems. Knock on wood." With that, she rapped her knuckles on the table, then said, "That must be the door. I'll get it."

## Calculate the number 2996

NUMBERMANIA: Calculate the number 2996 using numbers [8, 4, 1, 9, 92, 511] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math #numbermania

## MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (15, 18, 19, 21, 24, 25, 35, 38, 39, 67, 79, 97) 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:

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

**Djordje Timotijevic**.#brainteasers #math #magicsquare

## Find number abc

If c9c0a - bc081 = 15ba1 find number abc. Multiple solutions may exist.Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math

## Calculate the number 2273

NUMBERMANIA: Calculate the number 2273 using numbers [8, 9, 6, 9, 51, 469] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math #numbermania

## Find number abc

If 4749a + 2b9b4 = ca4b2 find number abc. Multiple solutions may exist.Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math

## A book costs $1 plus half it...

A book costs $1 plus half its price. How much does it cost?Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math #riddles

## Calculate the number 800

NUMBERMANIA: Calculate the number 800 using numbers [3, 2, 5, 2, 72, 145] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers:

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

**Djordje Timotijevic**.#brainteasers #math #numbermania