Shortcut of finding square of any two or three digit number in seconds.

 How we calculate the Square of any two-digit or three-digit number

Dear aspirants in this article you will learn within seconds how you will calculate the square of two-digit numbers or three-digit numbers.

It will help and save your time in the examination of all types in which math comes as well as in our daily life. 

The beauty of this method is that it is based on the same unique method, you need not take any bother to remember as different tricks for squaring different numbers it taught by different coaching institutes.

We all know this formula since childhood,

(a + b)² = a² /   2ab    /    b² 

we will use this formula to squaring

(25)² = 2² / 2 ×2 × 5 / 5² 

       = 4 / 20 / 25 = 625  

You can easily understand with the given figure or you can see our video created and crafted by senior quant trainer/senior subject matter expert/senior editor Kumud ranjan sir.

But it is equally important to keep all squares from 12 to 3o in your mind so that during calculation you are not supposed to calculate that's why  I am providing a square table from 12 to 30.

12	144
13	169
14	196
15	225
16	256
17	289
18	324
19	361
20	400
21	441
22	484
23	529
24	576
25	625
26	676
27	729
28	784
29	841
30	900