Skip to main content
Chapter 8MathematicsCBSE Class 11

Sequences and Series

Sequences and Series is Chapter 8 of NCERT Class 11 Mathematics. The chapter covers Introduction, Sequences, Series, Geometric Progression (G.P.), and more. Use this public guide to revise the official topic structure before asking Lerno for step-by-step help.

5 topicsChapter 8 of 14
Study with AI

Topics covered

5 sections
01

Introduction

Introduction
02

Sequences

Introduction
03

Series

Introduction
04

Geometric Progression (G.P.)

IntroductionGeneral term of a G.P.Sum to n terms of a G.P.Geometric Mean (G.M.)
05

Relationship between A.M. and G.M.

Introduction

Key concepts

IntroductionSequencesSeriesGeometric Progression (G.P.)Relationship between A.M. and G.M.IntroductionGeneral term of a G.P.Sum to n terms of a G.P.Geometric Mean (G.M.)

Practice questions

Frequently asked

What is covered in Sequences and Series?

Sequences and Series is Chapter 8 in NCERT Class 11 Mathematics. The verified chapter structure includes Introduction, Sequences, Series, Geometric Progression (G.P.), Relationship between A.M. and G.M..

How should I revise Sequences and Series?

Revise the chapter topic by topic: start with Introduction, Sequences, Series, then practice questions that mix definitions, examples, and application steps.

Can I use Lerno for Class 11 Mathematics questions?

Yes. Lerno is built for CBSE students and uses NCERT-grounded context so students can ask for explanations, practice prompts, and step-by-step guidance for this chapter.

Study prompts

1

Explain Introduction from Sequences and Series and give one NCERT-style example or practice step.

2

Explain Sequences from Sequences and Series and give one NCERT-style example or practice step.

3

Explain Series from Sequences and Series and give one NCERT-style example or practice step.

4

Explain Geometric Progression (G.P.) from Sequences and Series and give one NCERT-style example or practice step.

5

Explain Relationship between A.M. and G.M. from Sequences and Series and give one NCERT-style example or practice step.

Explore this chapter

Practice QuestionsChapter-wise NCERT-aligned questionsSolutions GuideStep-by-step approach per topicChapter ExplanationTopic map for structured revision

AI Tutor · Free

Study “Sequences and Series” with Lerno

Get instant explanations, solved examples, and NCERT-aligned practice — grounded in your textbook, not generic AI answers.

Open Lerno — it's free