Question

Sum of first 100 natural numbers​

Answer 1

We know that S = (n/2) × ( a + an )

According to the question,

no. of terms, n = 100,

first term, a = 1,

last term, an = 100.

S = (100/2)( 1 + 100 )

S = 50 ( 101 )

S = 5050

Answer:

The sum of the first 100 natural numbers is 5050.

Answer 2

WE KNOW THAT FIRST 100 NATURAL NUMBERS ARE 1 TO 100

SO SUM OF FIRST 100 NATURAL NUMBER IS 5050

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