The Introduction to Probability End-of-Chapter set mixes every idea from the chapter into one long practice list. These NCERT Solutions Class 9 Maths Chapter 7 Introduction to Probability End of Chapter solve all sixteen problems in clear steps, matched to the new Ganita Manjari book, so your revision is complete.
- Questions solved: all 16 mixed End-of-Chapter problems.
- Main skills: sample spaces, probability, tree diagrams, and area chance.
- Chapter link: it revises Exercise 7.1 to 7.4 in one place.
These solutions are written by subject teachers, matched to the current 2026-27 NCERT book, and checked line by line so a Class 9 student can follow each answer.
What Does Class 9 Maths Chapter 7 Introduction to Probability End of Chapter Cover?
This set is the full revision for the chapter. It pulls together every skill you built in the four exercise sets. You rank events, find experimental probability from data, and write sample spaces for coins, dice, and letters. Several questions use the basic formula P(E)=favourabletotal, while others use tree diagrams for two-step picks. A few problems bring in area probability, where the chance is the wanted area divided by the whole area. Because the questions are mixed, this set is the best test of whether you can pick the right method for each problem. There is no single formula that fits all of them, so you must read each one carefully first. This is exactly the habit your Class 9 annual exam rewards.
Video Walkthrough
Source: Magnet Brains on YouTube
Introduction to Probability End of Chapter Question Breakdown
The End-of-Chapter set has sixteen questions. The bullets below group them so you can plan your revision.
- Fill in the blanks and true or false on basic probability terms.
- Survey and data questions, such as the sport students like most.
- Sample space questions for coins, dice, numbered balls, and the word PEACE.
- Tree-diagram and combined-pick problems, plus a spinner game of chance.
- Area probability, where a dye is dropped on a marked region.
Sample Solved Question from End of Chapter
Here is one survey question, solved step by step, so you can see the method.
Question: In a survey of 50 students, 15 students said they liked football. What is the probability that a student picked at random likes football?
Step 1. Write the total number of students. The survey covers 50 students, so the total is 50.
Step 2. Write the favourable count. 15 students like football, so the favourable count is 15.
Step 3. Use the formula P(football)=1550.
Final answer. Reduce the fraction: P(football)=1550=310.
How to Use These Introduction to Probability End of Chapter Solutions
Treat this set as a timed mock for the chapter. Try each question first, then use these Collegedunia solutions to check both the method and the final fraction. Working under a clock here shows you which topics still need a second look before the exam.
- Sort each question by type before solving, so you pick the right method.
- Show the sample space or the tree diagram for every counting question.
- Reduce each fraction and keep it between 0 and 1 as a check.
More Class 9 Maths Introduction to Probability Solutions
Use the table below to open the full chapter or any single exercise of this chapter.
| Page | Link |
|---|---|
| Full Chapter Solutions | Introduction to Probability NCERT Solutions |
| Exercise 7.1 | Introduction to Probability Exercise 7.1 |
| Exercise 7.2 | Introduction to Probability Exercise 7.2 |
| Exercise 7.3 | Introduction to Probability Exercise 7.3 |
| Exercise 7.4 | Introduction to Probability Exercise 7.4 |
| End of Chapter | Introduction to Probability End of Chapter |
Introduction to Probability End of Chapter NCERT Solutions FAQs
Ques. How many questions are in the Class 9 Maths Chapter 7 End-of-Chapter set?
Ans. The End-of-Chapter set has sixteen mixed questions. They cover every idea from Exercise 7.1 to Exercise 7.4.
Ques. What kinds of questions come in this set?
Ans. You get fill in the blanks, survey data, sample spaces, tree diagrams, a spinner game, and one area probability problem.
Ques. Is the End-of-Chapter set good for exam practice?
Ans. Yes. It is the best revision for your Class 9 annual exam because the mixed questions test whether you can pick the right method.
Ques. Where can I download the End-of-Chapter solutions PDF?
Ans. You can download the Introduction to Probability End of Chapter solutions PDF free from this Collegedunia page in both Normal and HD versions.








Comments