Skip to main content
Chapter 1 of 14
Revision Notes

Sets

Uttarakhand Board · Class 11 · Mathematics

Quick revision notes for Sets — Uttarakhand Board Class 11 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

90 questions20 flashcards5 concepts

Interactive on Super Tutor

Studying Sets? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.

1,000+ Class 11 students started this chapter today

Key Topics to Revise

1

Basic Concepts and Definitions

  • A set is a well-defined collection of distinct objects called elements or members
  • Sets are denoted by capital letters (A, B, C, etc.) and elements by small letters (a, b, c, etc.)
  • The symbol ∈ means 'belongs to' and ∉ means 'does not belong to'
2

Types of Sets

  • Empty/Null/Void Set (∅): Contains no elements
  • Singleton Set: Contains exactly one element
  • Finite Set: Contains a definite number of elements
3

Subsets and Power Sets

  • A ⊆ B means every element of A is also in B
  • Every set is a subset of itself: A ⊆ A
  • Empty set is subset of every set: ∅ ⊆ A
4

Set Operations - Union and Intersection

  • Union (A ∪ B): Set of elements in A or B or both
  • Intersection (A ∩ B): Set of elements common to both A and B
  • Disjoint sets: A ∩ B = ∅

Get complete notes with diagrams and examples

Full Notes

Key Concepts

A set is a wellEmpty Set (∅)Set A is a subsetUnion (A ∪ B)Difference (A

Frequently Asked Questions

What are the important topics in Sets for Uttarakhand Board Class 11 Mathematics?
Sets covers several key topics that are frequently asked in Uttarakhand Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Sets — Uttarakhand Board Class 11 Mathematics?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

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

For serious students

Get the full Sets chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Uttarakhand Board Class 11 Mathematics.