Math, asked by preetiMaity, 1 year ago

find the sum of natural no, s between 200 to 1502 which are exactly divisible by 3?

Answers

Answered by chummushrayan
9
The AP is 201,204,207,......1500
Sn=N/2(a+l)
A=201
L=1500
N=434

Therefore Sn=369117

Hope it is useful

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