NCERT NCERT Book PDF Class 11 Maths Chapter 14 Probability

Download the Class 11 Maths Chapter 14 Probability NCERT Book PDF, the official 2026-27 NCERT textbook chapter. It builds the axiomatic idea of probability that students need for the Boards, JEE Main, JEE Advanced and CUET.

• Official NCERT 2026-27 chapter, clean and print-ready.
• Covers events and the axiomatic approach to probability.
• Read it alongside the solved exercises and the formula sheet linked below.

This Class 11 Maths Chapter 14 Probability NCERT Book PDF is the official 2026-27 NCERT text, checked page by page against the latest edition.

What Class 11 Maths Chapter 14 Probability Covers

The chapter defines an event on a sample space, then builds probability from a small set of axioms and applies it to real outcomes. The official NCERT sections are listed below.

Key Concepts You Will Study

Students should read the chapter with a pen and note each rule as it appears. The ideas are compact but return in later probability work.

• The sample space and the meaning of an event as a subset of it.
• Types of events, including impossible, sure, simple and compound events.
• The algebra of events, their union, intersection and complement.
• The axioms of probability and how they fix the probability of any event.
• The addition rule P(A or B) and the probability of equally likely outcomes.

Why Download the NCERT Book PDF for This Chapter

The NCERT textbook is the single most important source for the CBSE exam, and most JEE and CUET questions from this chapter are built directly on its examples.

• Every Board question on probability comes from this text or its exercises.
• The worked examples show the correct way to list a sample space.
• Reading offline from the PDF keeps every rule and example in one place.

How to Use the NCERT Book PDF for Probability

Read the chapter once fully, then work through it a second time with the exercises open. A short, ordered plan keeps the rules from blurring together.

• Read each section, then write its main rule in your own words in a single line.
• Solve the in-text examples before looking at the given solution.
• Attempt the back exercises, then check them against the NCERT Solutions below.
• Revise the axioms and the addition rule the night before the exam.

Other Class 11 Maths Probability Resources

Pair the textbook PDF with the solved answers, revision notes and formula sheet for the same chapter.

FAQs on Class 11 Maths Chapter 14 NCERT Book PDF