CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A

Access the latest CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A. We have provided free printable Class 12 Mathematics worksheets in PDF format, specifically designed for Chapter 13 Probability. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

Chapter 13 Probability Mathematics Practice Worksheet for Class 12

Students should use these Class 12 Mathematics chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for Chapter 13 Probability, to help you prepare for school tests and final examination. Regular practice of these Class 12 Mathematics questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 12 Mathematics Chapter 13 Probability Worksheet PDF

 

Practice Worksheet
CBSE Class 12 Mathematics
Topic: The Law of Total Probability & Baye’s Theorem
 
 
Very Short Answer
 
Q1) A purse contains 2 silver coins and 4 copper coins and a 2nd purse contains 4 silver and 4 copper coins. If a coin is selected at random from one purses, what is the probability that it is a silver coin?
 
Q2) An unbiased coin is tossed thrice what is the probability of getting at least 2 heads?
 
Q3) There are two bags, one of which contains 3 black and 4 white balls, while the other contains 4 black and 3 white balls. A dice is cast, if the face 1 or 3 turn up, a ball is taken from the rest bag and if any other face turns up, a ball is chosen from the second bag. The probability of choosing a black ball is ?
 
Q4) 3 students are selected from a class that has 10 boys and 5 girls. What is the probability that 1 boy and 2 girls are selected?
 
Q5) Suppose that 5% of men and 0.25% of women have grey hair. A grey haired person is selected at random. What is the probability of this person being male?Assume that there are equal number of males and females.
 
Q6) A person has undertaken a construction job. The probabilities are 0.65 that there will be strike, 0.80 that the construction job will be completed on time if there is no strike, and 0.32 that the construction job will be completed on time if there is a strike. Determine the probability that the construction job will be completed on time.
 
 
Click below to download practice worksheet for CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A
 
 

Chapter 13 Probability CBSE Class 12 Mathematics Worksheet

Students can use the Chapter 13 Probability practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 12 Mathematics. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for Chapter 13 Probability

Our expert team has used the official NCERT book for Class 12 Mathematics to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Mathematics. You can get all this study material for free on studiestoday.com.

Extra Practice for Mathematics

To get the best results in Class 12, students should try the Mathematics MCQ Test for this chapter. We have also provided printable assignments for Class 12 Mathematics on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download the latest PDF for CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A?

You can download the teacher-verified PDF for CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A from StudiesToday.com. These practice sheets for Class 12 Mathematics are designed as per the latest CBSE academic session.

Are these Mathematics Class 12 worksheets based on the 2026 competency-based pattern?

Yes, our CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 12.

Do you provide solved answers for CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A?

Yes, we have provided detailed solutions for CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A to help Class 12 and follow the official CBSE marking scheme.

How does solving CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A help in exam preparation?

Daily practice with these Mathematics worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 12 students get more marks in CBSE exams.

Is there any charge for the Class 12 Mathematics practice test papers?

All our Class 12 Mathematics practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 12 Mathematics The Law of Total Probability Worksheet Set A without any registration.