Class 9 Mathematics Chapter 7: The Mathematics of Maybe: Introduction to Probability — Important Questions & Mock Tests
Practice The Mathematics of Maybe: Introduction to Probability topic-wise important questions, MCQs and 1, 2, 3 and 5 mark questions for CBSE revision.
300 Questions 34 Topics MCQs: 100 1 Mark: 50 2 Mark: 50 3 Mark: 50 5 Mark: 50
Topic-wise important and practice questions
Review question distribution across chapter topics for MCQs, 1 Mark questions, 2 Mark questions, 3 Mark questions, 5 Mark questions.
| Topic | MCQ | 1 Mark | 2 Mark | 3 Mark | 5 Mark | Total |
|---|---|---|---|---|---|---|
| Randomness and Random Experiments | 5 | 5 | 5 | 4 | 4 | 23 |
| Experimental versus Theoretical Probability | 5 | 4 | 4 | 4 | 5 | 22 |
| Law of Large Numbers | 5 | 4 | 4 | 4 | 5 | 22 |
| Probability Scale | 5 | 5 | 4 | 4 | 4 | 22 |
| Gambler’s Fallacy and Independence | 5 | 4 | 4 | 4 | 4 | 21 |
| Sampling and Statistical Probability | 5 | 4 | 4 | 4 | 4 | 21 |
| Experimental Probability | 0 | 4 | 5 | 5 | 4 | 18 |
| Theoretical Probability | 0 | 4 | 4 | 5 | 4 | 17 |
| Events as Subsets of a Sample Space | 0 | 4 | 4 | 4 | 4 | 16 |
| Replacement and Non-Replacement | 0 | 4 | 4 | 4 | 4 | 16 |
| Sample Space for a Combined Experiment | 0 | 4 | 4 | 4 | 4 | 16 |
| Tree Diagrams for Multi-Step Experiments | 0 | 4 | 4 | 4 | 4 | 16 |
| Choosing an Appropriate Sample Space | 5 | 0 | 0 | 0 | 0 | 5 |
| Events as Subsets of Sample Space | 5 | 0 | 0 | 0 | 0 | 5 |
| Experimental Probability and Relative Frequency | 5 | 0 | 0 | 0 | 0 | 5 |
| Fair and Unbiased Random Devices | 5 | 0 | 0 | 0 | 0 | 5 |
| Impossible, Certain and Even-Chance Events | 5 | 0 | 0 | 0 | 0 | 5 |
| Probability Without Replacement | 5 | 0 | 0 | 0 | 0 | 5 |
| Replacement and Independent Repeated Selection | 5 | 0 | 0 | 0 | 0 | 5 |
| Representative Sampling | 5 | 0 | 0 | 0 | 0 | 5 |
| Sample Space | 5 | 0 | 0 | 0 | 0 | 5 |
| Sample Space for Two Coins | 5 | 0 | 0 | 0 | 0 | 5 |
| Theoretical Probability with Equally Likely Outcomes | 5 | 0 | 0 | 0 | 0 | 5 |
| Tree Diagrams | 5 | 0 | 0 | 0 | 0 | 5 |
| Geometric Probability by Area Ratio | 1 | 0 | 0 | 0 | 0 | 1 |
| Multi-Step Sample Space from Two Containers | 1 | 0 | 0 | 0 | 0 | 1 |
| Probability from a Visual Frequency | 1 | 0 | 0 | 0 | 0 | 1 |
| Probability from an Equal-Sector Spinner | 1 | 0 | 0 | 0 | 0 | 1 |
| Probability from Visual Object Counts | 1 | 0 | 0 | 0 | 0 | 1 |
| Probability from Visual Symbol Counts | 1 | 0 | 0 | 0 | 0 | 1 |
| Sample Space from a Visual Experiment | 1 | 0 | 0 | 0 | 0 | 1 |
| Theoretical Probability from a Visual Sample Space | 1 | 0 | 0 | 0 | 0 | 1 |
| Three-Stage Tree Diagram | 1 | 0 | 0 | 0 | 0 | 1 |
| Tree Diagram Sample Size | 1 | 0 | 0 | 0 | 0 | 1 |