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Syllabus

Sets — Syllabus

CBSE · Class 11 · Mathematics

What Sets covers in CBSE Class 11 Mathematics: 4 topics, for the 2026-27 session. Part of the CBSE Class 11 Mathematics syllabus.

146 questions60 flashcards4 formulas & key relations5 concepts

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4 Topics · CBSE Class 11 Mathematics · 2026-27

Topics in Sets

1

1. Basic Idea of a Set

  • A set is a well-defined collection of objects.
  • Objects, elements, and members of a set mean the same thing.
  • Sets are usually written using capital letters such as A, B, C, X, Y, Z.
2

2. Representation of Sets

  • There are two main ways to represent sets: roster form and set-builder form.
  • In roster form, all elements are listed inside braces and separated by commas.
  • In set-builder form, the common property of all elements is written.
3

3. Empty, Finite, and Infinite Sets

  • A set with no element is called the empty set, null set, or void set.
  • The empty set is denoted by φ or { }.
  • A set is finite if it is empty or has a definite number of elements.
4

4. Equal Sets and Subsets

  • Two sets are equal if they have exactly the same elements.
  • A set is unchanged if elements are repeated in roster form.
  • A set A is a subset of B if every element of A is also an element of B.

Key Concepts

Central concept: Sets

Meaning of a setRepresentation of setsSpecial sets of numbersEmpty setFinite and infinite setsEqual setsSubsetsIntervals as subsets of R

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Frequently Asked Questions

What are the important topics in Sets for CBSE Class 11 Mathematics?
Key topics in Sets include Basic Idea of a Set, Representation of Sets, Empty, Finite, and Infinite Sets, Equal Sets and Subsets. Study these first, then practise questions on each for Class 11 exams.
How should I revise Sets for Class 11 exams?
Learn the core ideas first, then work through the 146 practice questions on Sets. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Sets

All CBSE Class 11 Mathematics Syllabus

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