How to find the sum of Odd numbers easily?

Math is always fun if you understand it. So, Today’s tutorial focusing on how to add series of Odd numbers easily.

Let us take a series of ODD Numbers from 1 to 100

What do you think?. Going to take a calculator and add the odd numbers one by one?, Not at all!!

All you have do is just find the number of ODD numbers from 1 to 100, it’s pretty simple anybody can say it’s 50!

Now, Just square the number 50

50 x 50 = 2500 (Answer)

So, the sum of  ODD Numbers is 2500, pretty simple right?

 

But, I think still you don’t believe what I said right?. No worries, now take a small series 1 to 20

So, how many ODD numbers are there? It is 10 right? 

10 x 10 = 100 (Answer)

Basically, 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 = 100

 

Hope, you learned something fun and useful trick today. Now show off your skill to your friends and amaze them!

 

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