Math, asked by sanaufshaikh, 7 months ago

Find the sum of the even natural numbers lying between 10 and 100

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Answers

Answered by yusufkhanstar29
1

Answer:

2420

Step-by-step explanation:

Concept= Sequence and Series

Given= Sequence

To find= sum of sequence

Explanation=

Even Natural numbers lying between 10 and 100 are

12,14,16,18,...............,94,96,98.

a= 12(first element), d=2(common difference), l=98(last element)

l= a+(n-1)d          (n= total number of elements)

98= 12+(n-1)2

n=44

Sum of all even numbers from 10 and 100 is

S=(a+l)n/2

=> (12+98)44/2

=> 110*22 = 2420

Sum is  2420

#SPJ3

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