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RD Sharma books are widely considered as the best material for maths as they are comprehensive and provide a vast number of concepts.. The Class 12 RD Sharma chapter 30 exercise 30.3 arrangement is one of the examples for it.

**Also Read -** RD Sharma Solutions For Class 9 to 12 Maths

The arrangement is valuable all around out and is additionally exam-situated, primary, and fundamental. The RD Sharma class 12th exercise 30.3 Likelihood can be utilized for self-practice and assessment of imprints.

Probability Exercise 30.3 Question 1

Using,

Required Probability,

Probability Exercise 30.3 Question 8(i)

B=Heads on first two tosses

Required Probability

Probability Exercise 30.3 Question 8(ii)

B=At most two heads

Clearly,

Required Probability

Probability Exercise 30.3 Question 8(iii)

A=At most two tails

B=At least one tail

Clearly,

Now,

P(A) = 7

P(B) = 7

Required Probability

Probability Exercise 30.3 Question 9(i)

B=One coin shows head

Clearly,

P(A) = 2

P(B) = 2

Now,

Required Probability

Probability Exercise 30.3 Question 9(ii)

A=No tail appears

B=No head appears

Clearly,

Required Probability

Probability Exercise 30.3 Question 10

A=Getting 4 on trial throw

B=Getting 6 on first throw and 5 on second throw

Clearly,

Now,

P(A) = 36

P(B) = 6

Probability Exercise 30.3 Question 11

B= Father standing in the middle

Solution:

Clearly,

S=Total events

Probability Exercise 30.3 Question 12

A= 4 appears on the die at least once

B=The sum of the numbers on two dice is 6

P(A) = 11

P(B) = 5

Required Probability

Probability Exercise 30.3 Question 14

A=No. appearing on second die is odd.

B=The sum of the no. on two dice is 7.

Clearly,

Required Probability

Probability Exercise 30.3 Question 15

A= Prime number appears on second die

B=The sum of the numbers on two dice is 7

Clearly,

P(A) = 18

P(B) = 6

Required Probability

Probability Exercise 30.3 Question 16

A= No. is odd

B=No. is prime

Clearly,

Required Probability

Probability Exercise 30.3 Question 17

A = 4 appears on first die

B = The sum of the numbers is on two dice is 8 or more

Now,

Required Probability

Probability Exercise 30.3 Question 18

A=At least one die does not show 5

B=The sum of the numbers on two dice is 8

Clearly,

Required Probability

Probability Exercise 30.3 Question 19

S represents the event of getting their sum as an even number.

Probability Exercise 30.3 Question 20

B = The sum of the no. on two dice is 8

Clearly,

P(A) = 11

P(B) = 5

Required Probability

Probability Exercise 30.3 Question 21

B=The sum of the numbers on two dice is 7

Clearly,

P(A) = 6

P(B) = 6

Required Probability

Probability Exercise 30.3 Question 22

F = 5 appears on first die

Clearly,

P(F) = 6

P(E) = 6

Second case:

Let, E = The sum of the no. on two dice is 10 or more.

F = 5 appears on at least in one die

Now, P(F) = 11

P(E) = 6

Probability Exercise 30.3 Question 23

C=Students Passes Computer Science

Now,

Probability Exercise 30.3 Question 24

T=Person buying a trouser

Solution:

Now,

Probability Exercise 30.3 Question 25

G= Female student chosen randomly

Probability Exercise 30.3 Question 26

Total Possibility of cards = {1,2,3,4,5,6,7,8,9,10}

Let A = An even number on the card

B = A number more than 3 on the card.

P(A) = {5}

P(B) = {7}

Required probability

Probability Exercise 30.3 Question 27

B=The youngest child is a girl

C=At least one child is a girl

- Required probability
- Required probability

The RD Sharma class, 12 arrangement of Likelihood exercise 30.3, is utilized by a vast number of students and instructors for useful information on maths. The RD Sharma class twelfth exercise 30.3 comprises 36 questions covering all the essential concepts.

**The advantages of preparing from the RD Sharma class 12th exercise 30.3 are:**

RD Sharma class 12 solution of Probability exercise 30.3material is prepared by experts and has exam-oriented answers. Students can rest assured that the answers they are referring to are of the best quality.

The RD Sharma class 12th exercise 30.3 material complies with the CBSE syllabus and is updated to the latest version. Moreover, as it covers the entire syllabus, students can use it to guide their textbooks.

RD Sharma class 12 chapter 30 exercise 30.3 is available on Career360’s website and can be accessed through any device with a browser and an internet connection. This makes it highly convenient as students can now study from anywhere they like.

RD Sharma class 12th exercise 30.3 is available on the website free of cost. Career360 has prepared this material to help students get more knowledge on the subject. This is the best alternative to textbooks and the most convenient option for exam preparation.

Class 12 RD Sharma chapter 30 exercise 30.3 solution material also helps students in their revision as it contains questions and answers in the same place. Moreover, students won’t have to look up each solution in the textbook as they are already available in the material.

- Chapter 1 - Relations
- Chapter 2 - Functions
- Chapter 3 - Inverse Trigonometric Functions
- Chapter 4 - Algebra of Matrices
- Chapter 5 - Determinants
- Chapter 6 - Adjoint and Inverse of a Matrix
- Chapter 7 - Solution of Simultaneous Linear Equations
- Chapter 8 - Continuity
- Chapter 9 - Differentiability
- Chapter 10 - Differentiation
- Chapter 11 - Higher Order Derivatives
- Chapter 12 - Derivative as a Rate Measurer
- Chapter 13 - Differentials, Errors and Approximations
- Chapter 14 - Mean Value Theorems
- Chapter 15 - Tangents and Normals
- Chapter 16 - Increasing and Decreasing Functions
- Chapter 17 - Maxima and Minima
- Chapter 18 - Indefinite Integrals
- Chapter 19 - Definite Integrals
- Chapter 20 - Areas of Bounded Regions
- Chapter 21 - Differential Equations
- Chapter 22 - Algebra of Vectors
- Chapter 23 - Scalar Or Dot Product
- Chapter 24 - Vector or Cross Product
- Chapter 25 - Scalar Triple Product
- Chapter 26 - Direction Cosines and Direction Ratios
- Chapter 27 - Straight Line in Space
- Chapter 28 - The Plane
- Chapter 29 - Linear programming
- Chapter 30- Probability
- Chapter 31 - Mean and Variance of a Random Variable

1. How can I use this RD Sharma material?

Students can use this material as a guide to better understand the subject. As there are solutions for every question, they can practice well and score good marks in exams.

2. How many questions are present in class 12 RD Sharma chapter 30.3?

There are a total of 36 questions in Class 12 RD Sharma chapter 30.3 exercise 30.3.

3. Is the RD Sharma class 12 chapter 30 updated to the latest version?

Yes, this material is updated to the latest version and contains questions from the newest edition of the book.

4. From where can I access RD Sharma class 12 chapter 30 material?

Students can access the material through Career360’s website.

5. Who can use the RD Sharma class 12 solution of Probability exercise 30.3 material?

CBSE students who want to learn about the subject and score good marks can use this material.

Mar 22, 2023

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