Trick to Find Square of a Number Ending with 5

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Hai friends, SREE here.... its the first time that i am going to share something with you....

Here i am going to tell you a simple trick to find the square of a number ending with 5.

I hope it would be helpful for you....all the best...

Lets start.....

We know 5²=25

How can we find (15)²?

Step 1 : 5²=25 this 25 is the last two digit of our answer

Step 2 : the remaining number is 1.. now find the next number of 1 from the number system, its 2

          Now 2×1=2; its the first number of our answer..

       Step 3: answer is 225 simple!!

        Got it??    

                                                                          

Now how to find (25)² ?

Step 1 : 5²=25

Step 2 : now we have 3 after 2

             3×2=6

Step 3 : answer 625!!

(55)² ?

Step 1: 5²=25

Step 2 : 5×6=30

Step 3 : answer 3025

Hope you got the method......

Now lets check this method in 3 digit number

How to find (215)²??

Step 1 : 5²=25

Step 2 : 21×22=462

Step 3 : answer=46225

Wow!!! It really works....

(725)² ?

Step 1: 5²=25

Step 2 : 72×73=5256

Step 3 : answer 525625!

Hope you understand the method.... we can find square of any number ending with 5 by this method....

Thank you guys thanks for reading!!

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