Mental Puzzle for Students with an Answer

This Mental Puzzle is for School Students. In this Mental Puzzle, you are given logical number equations. Crack the hidden code which relates both sides of the equation. Once you are able to decipher the logical relationship in these number equations, find the value of the missing number. Do post your comment if you are able to solve this Mental Puzzle!

Can you solve this Mental Puzzle?

The answer to this "Mental Puzzle for Students", can be viewed by clicking on the answer button. Please do give your best try before looking at the answer.

The Answer is 2.
If A+A=B is the given number equation, then the logical code which relates both side of equation is 2*SqurRoot(A)=B

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