Question

find the sum of first hundred natural numbers

Answer 1

it is an Arithmetic Progression whose first term = 1, last term = 100 and number of terms = 100. Therefore, the sum of first 100 natural numbers is 5050.

Answer 2

$\sf\underline{Step-by-step \: explanation}$

It's going on in a pattern...

1+2+3+4+5+6+7+8+9+10= 55

11+12+13+14+15+16+17+18+19+20= 155

And so on...

At last it will stop on

955.

55+155+255+355+455+555+655+755+855+955= 5050.


Hence, your answer is...

$\huge{5050}$

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