Daily Practice Problems
Class 9 Maths
Probability
daily practice problem

Question 1:

Fifty seeds were selected at random from each of 5 bags of seeds and were kept under standardised conditions favourable to germination. After 20 days, the number of seeds which had germinated in each collection were counted and recorded as follows:

What is the probability of germination of

(i) More than 40 seeds in a bag?

(ii) 49 seeds in a bag?

(iii) More that 35 seeds in a bag?

 

Question 2:

The probability of a sure event and impossible event is ____.

 

Question 3:

A die is thrown 300 times and odd numbers are obtained 153 times. Find the probability of getting an even number.

 

Question 4:

The probability that a number selected at random from the numbers 1, 2, 3, …, 15 is a multiple of 4 is _____.

 

Question 5:

The probability of any event lies between _____.

 

Question 6:

Find the probability of drawing an ace card from a deck of cards.

 

Question 7:

What is the probability of getting an odd number less than 4, if a die is thrown?

 

Question 8:

There are 4 green and 2 red balls in a basket. What is the probability of getting the red balls?

 

Question 9:

If two coins are tossed simultaneously, then what is the probability of getting exactly two tails?

 

Question 10:

A batsman hits boundaries for 6 times out of 30 balls. Find the probability that he did not hit the boundaries.

 

Question 11:

Observe that table given.

Club

English

Maths

Science

Number of Students

99

121

154

A student is chosen randomly from the group as the coordinator of the entire club. What is the probability that the student is from the science club?

                                              

Question 12:

A coin is flipped to decide which team starts the game. What is the probability of your team will start?

 

Question 13:

In a bag, there are some marbles of blue colour. A boy picks one marble out of all. What is the probability that the picked marble is of blue colour?

 

Question 14:

There are 10 prizes on 2000 tickets of a lottery of company. Probability of winning prize is ____

 

Question 15:

There are 20 cards numbered 1 to 20 in a box. A card is drawn from it. Find the probability that the number appeared on the drawn card is prime.

 

Question 16:

In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. If a child is selected at random, compute the probability that he/she does not like to eat potato chips.

 

Question 17:

The blood groups of some students of Class IX were surveyed and recorded as below:

Probability Class 9 Extra Questions Maths Chapter 15 with Solutions Answers 1

If a student is chosen at random, find the probability that he/she has blood group A or AB.

 

Question 18:

A box contains 50 bolts and 150 nuts. On checking the box, it was found that half of the bolts and half of the nuts are rusted. If one item is chosen at random, find the probability that it is rusted.

 

Question 19:

The probability of guessing the correct answer to a certain question is . If probability of not guessing the correct answer is , then find x.

 

Question 20:

If the probability of winning a race of an athlete is  less than the twice the probability of losing the race, find the probability of winning the race.

**********

Problem-solving on Class 9 Maths Probability NCERT Chapter 15 after learning a theoretical concept is crucial for several reasons:

  1. Application of Knowledge: Problem-solving allows you to apply the theoretical concepts of the topic Class 9 Maths Probability you have learned to real-life situations. It helps you bridge the gap between abstract knowledge and practical scenarios, making the learning more relevant and meaningful.
  2. Understanding Deeper Concepts: When you encounter problems related to a theoretical concept that you learned in Class 9 Maths Probability NCERT Chapter 15, you are forced to delve deeper into its intricacies. This deeper understanding enhances your comprehension of the subject and strengthens your grasp of the underlying principles.
  3. Critical Thinking: Problem-solving encourages critical thinking and analytical skills. It requires you to analyze the problem, identify relevant information, and devise a logical solution. This process sharpens your mind and improves your ability to approach complex challenges effectively.
  4. Retention and Recall: Actively engaging in problem-solving reinforces your memory and improves long-term retention. Applying the concepts learned in Probability Class 9 Maths in practical scenarios helps you remember them better than passive reading or memorization.
  5. Identifying Knowledge Gaps: When you attempt to solve problems, you may encounter areas where your understanding is lacking. These knowledge gaps become evident during problem-solving, and you can then focus on filling those gaps through further study and practice. You can refer Probability Class 9 Maths Notes on LearnoHub.com
  6. Boosting Confidence: Successfully solving problems after learning a theoretical concept boosts your confidence in your abilities to handle Probability. This confidence motivates you to tackle more challenging tasks and improves your overall performance in the subject.
  7. Preparation for Exams and Challenges: Many exams, especially in science, mathematics, and engineering, involve problem-solving tasks. Regular practice in problem-solving prepares you to face these exams with confidence and perform well. It is also advised to take tests on Probability Class 9 Maths Online Tests at LearnoHub.com.
  8. Enhancing Creativity: Problem-solving often requires thinking outside the box and exploring various approaches. This fosters creativity and innovation, enabling you to come up with novel solutions to different problems.
  9. Life Skills Development: Problem-solving is a valuable life skill that extends beyond academics. It equips you with the ability to tackle various challenges you may encounter in personal and professional life.
  10. Improving Decision Making: Problem-solving involves making decisions based on available information and logical reasoning. Practicing problem-solving enhances your decision-making skills, making you more effective in making informed choices.

In summary, problem-solving after learning a theoretical concept on CBSE Probability Class 9 Maths is an essential part of the learning process. It enhances your understanding, critical thinking abilities, and retention of knowledge. Moreover, it equips you with valuable skills that are applicable in academic, personal, and professional contexts.

You must have heard of the phrase “Practice makes a man perfect”. Well, not just a man, practice indeed enhances perfection of every individual.

Practicing questions plays a pivotal role in achieving excellence in exams. Just as the adage goes, "Practice makes perfect," dedicating time to solve a diverse range of exam-related questions yields manifold benefits. Firstly, practicing questions allows students to familiarize themselves with the exam format and types of problems they might encounter. This familiarity instills confidence, reducing anxiety and improving performance on the actual exam day. Secondly, continuous practice sharpens problem-solving skills and enhances critical thinking, enabling students to approach complex problems with clarity and efficiency. Thirdly, it aids in identifying weak areas, allowing students to focus their efforts on improving specific topics. Moreover, practice aids in memory retention, as active engagement with the material reinforces learning. Regular practice also hones time management skills, ensuring that students can allocate appropriate time to each question during the exam. Overall, practicing questions not only boosts exam performance but also instills a deeper understanding of the subject matter, fostering a holistic and effective learning experience.

All About Daily Practice Problems on Class 9 Maths Probability NCERT Chapter 15

Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on Class 9 Maths Probability NCERT Chapter 15 useful.

Last but not least, to get the best hold on Class 9 Maths Probability NCERT Chapter 15, do not forget to check out:

  • Probability Class 9 Maths Best videos
  • Probability Class 9 Maths NCERT Solutions
  • Class 9 Maths Probability Revision notes
  • Probability Class 9 Maths DPPs, Download PDF of solutions
  • Class 9 Maths Probability Online Tests
  • Class 9 Maths Sample papers

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