Can you solve this riddle?

How much did all three pay together?Math puzzle

Brain teasers and puzzles for teens

A math puzzle in number theory

How many boys were missing from the lesson? Math puzzle

A math puzzle for teens

                                       Practice in number theory                                                                                                      

                  

                                                                                              

The spy who loves math

Develop your mathematical logic and ability with spy stories.

Brain teasers and puzzles
By Panos kalliantasis
 From the data below you can find the age of the spy.

Bored with the usual 'Crack the code'

A new one crack the code that will twist your mind pleasantly
 
This is something different.
 
Try something new to evaluate your reasoning skills

Can you become a spy? Try cracking the password

 
A new  crack the code  only for genius
90% fail to find the password

A clever and different from the usual crack the code
 

 Try cracking the password

Will you make it with this hard "missing number"?

Are you ready to solve this tough puzzle?

Brain teasers and puzzles

One more hard "missing number" puzzle
by Panos kalliantasis.
Question collection 

Are you smart? Try this missing number

A hard math puzzle.
Try to solve this "missing number"

Are you good at questions find the missing number?
 
Prove it

Four find the missing number

 We added an additional 4 puzzles to do hands-on practice in finding the missing number.
 Brain teasers and puzzles
Question collection "Missing number"
By Panos Kalliantasis

A math puzzle with new car models

 A math puzzle from for kids and teens.

 A math problem with new car models.

Brain teasers and puzzles 

Try your math skills
with this mathematical puzzle.

Three missing number for practice

Three missing number for  training practice.
By Panos Kalliantasis

Question collection "Missing number"
With answers

Can you crack the security code?

Can you crack the security code and enter the computer?
A different crack the code,only for genius.

A father lock the computer and told his son, if he wanted to play, he had to hack and find the 4-digit  code.

Can you find the missing number?

Here one more brain teaser missing number from the collection
Brain teasers and puzzles "Missing number practice"  by Panos kalliantasis

A alphametic puzzle:No No Too/Late

Which number corresponds to the late?

An alphametic puzzle (also sometimes known as a cryptarithm) is a type of puzzle where words are put together into an arithmetic formula such that digits can be substituted for the letters to make the formula true.

A hard calculation puzzle

 Can you solve this hard math puzzle?
Using only the numbers 2,3,5 with mathematical operations, get the number 1133.
You can use addition, subtraction, multiplication, division and exponents,
but the single numbers will be 2.3.5

Do you like"missing number"?

Here one more brain teaser missing number from the collection
Brain teasers and puzzles "Missing number practice" 
by Panos kalliantasis

Practice with this missing number

Another missing number to apply and improve your ability to answer such questions in competitive exams.

 Τry to solve the puzzles yourself, use your mind.

One more missing number

Here are very useful missing number questions with answers

                                             

A missing number brain challenge

Test you Maths Logic Brain Power with this Missing number picture puzzle
These numbers relate to each other with some maths formula or mathematical operations or logical. 

Coronovarius-citizen-HEAD TO HEAD

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