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Class 9 Mathematics Sequences and Progressions Sum of first n natural numbersExpertLevel 59

Which sum is obtained by adding (133+134+\cdots+140) to (S_{132})?

Answer and explanation

Correct answer: (S_{140})

(S_{132}+133+134+\cdots+140=S_{140}). When consecutive new terms are added, the last term becomes the new index.

Tags

mathsequencesnatural-numberssum

Frequently asked questions

What is the correct answer to this question?

(S_{140})

Why is this the correct answer?

(S_{132}+133+134+\cdots+140=S_{140}). When consecutive new terms are added, the last term becomes the new index.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: Sum of first n natural numbers.

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