India's #1 AI Tutormcq quiz · Mathematics · Chapter 14

Class 9 Mathematics Chapter 14 Probability MCQ with Answers – 30 Solved Questions

Master Class 9 Mathematics Chapter 14 Probability with our expertly curated collection of 30 solved MCQ questions. Probability is a cornerstone concept in CBSE Class 9 mathematics that introduces students to predicting the likelihood of events. Whether you're preparing for your unit tests or final board exams, these multiple-choice questions cover every concept from simple events to complementary probability as per NCERT 2024-25 syllabus. Practice with detailed solutions to strengthen your conceptual understanding and boost your confidence—all designed by CBSE educators trusted by lakhs of Indian families.

Your child's private AI tutor — trained on NCERT.
3-day free trial · ₹1 to start · Cancel anytime.
Start 3-day free trial →

What is Probability? NCERT Chapter 14 Fundamentals

Probability, as defined in NCERT Class 9 Chapter 14, is the measure of likelihood that an event will occur. It ranges from 0 (impossible event) to 1 (certain event). The probability formula is P(E) = Number of Favorable Outcomes / Total Number of Possible Outcomes. Understanding this foundation is essential before solving MCQs, as it forms the basis for all probability calculations in Class 9.

30 Solved MCQ Questions on Probability with Detailed Answers

Our curated set of 30 multiple-choice questions covers all topics in CBSE Class 9 Chapter 14: sample space, events, probability of simple events, complementary events, and theoretical vs. experimental probability. Each MCQ includes a complete solution explaining the method, formula used, and the reasoning behind the correct answer. Students can practice these questions offline and verify answers instantly.

Simple Events and Sample Space – MCQ Practice

Simple events involve a single outcome from a sample space. Sample space is the set of all possible outcomes. NCERT Chapter 14 emphasizes identifying sample spaces correctly—for example, when tossing a coin, the sample space is {H, T}. Our MCQs in this category test your ability to count outcomes and calculate probabilities for straightforward scenarios like dice rolls and card draws.

Complementary Events – Key Concept for Board Exams

Complementary events are two events that together cover the entire sample space. If event E occurs with probability P(E), then the complementary event E' has probability P(E') = 1 − P(E). NCERT Chapter 14 emphasizes this relationship heavily, and our MCQs drill this concept repeatedly, helping you master quick calculations essential for exam success.

Theoretical vs. Experimental Probability – NCERT Comparison

Theoretical probability is calculated mathematically (ideal situation), while experimental probability is based on actual trials or historical data. NCERT Chapter 14 teaches both approaches with real-world examples. Our MCQs include questions comparing these two methods, asking you to calculate both and understand when each is more reliable—critical for scoring full marks.

Why CBSETUTOR.ai is India's #1 AI Tutor for CBSE Mathematics

CBSETUTOR.ai is trusted by lakhs of CBSE students across India for real-time doubt resolution, chapter-wise MCQ practice, and AI-powered learning paths. Our platform offers 24x7 access to Class 9 Mathematics resources, including probability chapter mastery tools, instant feedback on answers, and personalized revision schedules. Thousands of families rely on CBSETUTOR.ai as their primary AI tutor for CBSE exam preparation.

Probability of Independent and Dependent Events

While not the main focus of NCERT Class 9, understanding event relationships strengthens problem-solving skills. Independent events (outcome of one doesn't affect the other) and dependent events (outcome of one affects the other) are introduced in Class 9 Chapter 14 context. Our advanced MCQs touch on these concepts to prepare you for Class 10 mathematics and competitive exams.

Common Mistakes in Probability MCQs – How to Avoid Them

Students often confuse favorable outcomes with total outcomes, forget to reduce fractions, or misidentify the sample space. Our 30 MCQs include common-mistake questions with explanations showing why wrong options are tempting. Learning from these mistakes accelerates your preparation and significantly improves your board exam performance.

How to Use These MCQs for Maximum Learning Benefit

Solve MCQs in timed conditions (1–2 minutes per question) to simulate board exams. After completing a set, review all solutions, not just incorrect ones, to reinforce concepts. Use our detailed answer explanations to understand the 'why' behind each solution. Practice consistently over 2–3 weeks to build strong probability intuition and confidence.

Board Exam Tips: Probability Chapter Scoring Strategy

Probability typically carries 2–4 marks in Class 9 board exams, often as one MCQ (1 mark) and one short-answer question (2–3 marks). Master sample space identification, complementary event calculations, and probability formula application to score maximum marks. Our 30 MCQs are designed to cover every question type your board examiner might ask.

Frequently asked questions

Are these 30 MCQ questions aligned with NCERT 2024-25 Chapter 14?+
Yes, all 30 MCQs are directly aligned with NCERT 2024-25 Class 9 Mathematics Chapter 14 Probability. They cover sample space, simple events, complementary events, and probability calculation methods taught in the official curriculum.
Can I access these MCQs for free on CBSETUTOR.ai?+
CBSETUTOR.ai offers free trial access to select chapter resources including probability MCQs. For unlimited access to 30+ solved questions with instant feedback and personalized learning paths, explore our flexible subscription plans.
Is Hindi-medium support available for probability MCQs on CBSETUTOR.ai?+
Yes, CBSETUTOR.ai supports Hindi-medium learners with bilingual MCQs, solutions, and explanations in both English and Hindi for Chapter 14 Probability and all other CBSE subjects.
How much time should I spend on probability MCQ practice before my board exams?+
Allocate 5–7 days for probability MCQ practice, solving 4–5 questions daily. Complete all 30 MCQs at least twice: first for learning, second for speed and accuracy. This ensures mastery within 1–2 weeks.
What is the difficulty level of these 30 MCQs?+
Our MCQs are graded into three levels: beginner (basic formula application), intermediate (multi-step calculations), and advanced (tricky complementary events). This progression builds your skills from fundamentals to board-exam-level difficulty.
Do these MCQs cover all probability topics in CBSE Class 9?+
Yes, the 30 MCQs comprehensively cover sample space, simple events, probability formulas, complementary events, and theoretical vs. experimental probability as per NCERT Chapter 14 syllabus.
Can parents track their child's progress on CBSETUTOR.ai probability practice?+
CBSETUTOR.ai provides detailed progress reports showing accuracy rate, time spent, weak topics, and improvement trends, enabling parents to monitor their child's learning effectively.
Are detailed solutions provided for every MCQ question?+
Yes, every MCQ includes step-by-step solutions, formula references, and explanations of why the correct answer is right. This deepens understanding beyond just answering correctly.

Ready to give your Class 9 child the tutor that never sleeps?

CBSETUTOR.ai covers every chapter in the Class 9 NCERT syllabus — Maths, Science, Social Science, English, Hindi and more. 24×7. Patient. Unlimited. 3-day free trial.

Start your child's 3-day free trial →