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Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 23 - Probability [Latest edition]

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Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 23 - Probability - Shaalaa.com
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Solutions for Chapter 23: Probability

Below listed, you can find solutions for Chapter 23 of CISCE Selina for Concise Mathematics [English] Class 8 ICSE.


Exercise 23
Exercise 23 [Pages 258 - 259]

Selina solutions for Concise Mathematics [English] Class 8 ICSE 23 Probability Exercise 23 [Pages 258 - 259]

Exercise 23 | Q 1.1 | Page 258

A die is thrown, find the probability of getting:

a prime number

Exercise 23 | Q 1.2 | Page 258

A die is thrown, find the probability of getting:

a number greater than 4

Exercise 23 | Q 1.3 | Page 258

A die is thrown, find the probability of getting:

a number not greater than 4.

Exercise 23 | Q 2.1 | Page 258

A coin is tossed. What is the probability of getting:

a tail?

Exercise 23 | Q 2.2 | Page 258

A coin is tossed. What is the probability of getting:

a head?

Exercise 23 | Q 3.1 | Page 258

A coin is tossed twice. Find the probability of getting: exactly one head

Exercise 23 | Q 3.2 | Page 258

A coin is tossed twice. Find the probability of getting: exactly one tail

Exercise 23 | Q 3.3 | Page 258

A coin is tossed twice. Find the probability of getting: two tails

Exercise 23 | Q 3.4 | Page 258

A coin is tossed twice. Find the probability of getting: two heads

Exercise 23 | Q 4 | Page 258

A letter is chosen from the word ‘PENCIL’ what is the probability that the letter chosen is a consonant?

Exercise 23 | Q 5 | Page 258

A bag contains a black ball, a red ball and a green ball, all the balls are identical in shape and size. A ball is drawn from the bag without looking into it. What is the probability that the ball drawn is:
(i) a red ball
(ii) not a red ball
(iii) a white ball.

Exercise 23 | Q 6 | Page 259

In a single throw of a die, find the probability of getting a number
(i) greater than 2
(ii) less than or equal to 2
(iii) not greater than 2.

Exercise 23 | Q 7.1 | Page 259

A bag contains 3 white, 5 black and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball drawn is a black ball.

Exercise 23 | Q 7.2 | Page 259

A bag contains 3 white, 5 black, and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball drawn is a red ball.

Exercise 23 | Q 7.3 | Page 259

A bag contains 3 white, 5 black, and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball drawn is a white ball.

Exercise 23 | Q 7.4 | Page 259

A bag contains 3 white, 5 black, and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball drawn is not a red ball.

Exercise 23 | Q 7.5 | Page 259

A bag contains 3 white, 5 black, and 2 red balls, all of the same shape and size. A ball is drawn from the bag without looking into it, find the probability that the ball drawn is not a black ball.

Exercise 23 | Q 8 | Page 259

In a single throw of a die, find the probability that the number:
(i) will be an even number.
(ii) will be an odd number.
(iii) will not be an even number.

Exercise 23 | Q 9 | Page 259

In a single throw of a die, find the probability of getting :
(i) 8
(ii) a number greater than 8
(iii) a number less than 8

Exercise 23 | Q 10 | Page 259

Which of the following can not be the probability of an event?

(i)`2/7`

(ii)3.8

(iii) 37%

(iv) -0.8

(v) 0.8

(vi) `(-2)/5`

(vii) `7/8`

Exercise 23 | Q 11 | Page 259

A bag contains six identical black balls. A child withdraws one ball from the bag without looking into it. What is the probability that he takes out:

  1. a white ball?
  2. a black ball?
Exercise 23 | Q 12.1 | Page 259

Three identical coins are tossed together. What is the probability of obtaining:
all heads?

Exercise 23 | Q 12.2 | Page 259

Three identical coins are tossed together. What is the probability of obtaining:
exactly two heads?

Exercise 23 | Q 12.3 | Page 259

Three identical coins are tossed together. What is the probability of obtaining:
exactly one head?

Exercise 23 | Q 12.4 | Page 259

Three identical coins are tossed together. What is the probability of obtaining:
no head?

Exercise 23 | Q 13 | Page 259

A book contains 92 pages. A page is chosen at random. What is the probability that the sum of the digits in the page number is 9?

Exercise 23 | Q 14 | Page 259

Two coins are tossed together. What is the probability of getting:
(i) at least one head
(ii) both heads or both tails.

Exercise 23 | Q 15.1 | Page 259

From 10 identical cards, numbered 1, 2, 3, ……, 10, one card is drawn at random. Find the probability that the number on the card drawn is a multiple of

2

Exercise 23 | Q 15.2 | Page 259

From 10 identical cards, numbered 1, 2, 3, ……, 10, one card is drawn at random. Find the probability that the number on the card drawn is a multiple of

3

Exercise 23 | Q 15.3 | Page 259

From 10 identical cards, numbered 1, 2, 3, ……, 10, one card is drawn at random. Find the probability that the number on the card drawn is a multiple of

2 and 3

Exercise 23 | Q 15.4 | Page 259

From 10 identical cards, numbered 1, 2, 3, ……, 10, one card is drawn at random. Find the probability that the number on the card drawn is a multiple of

 2 or 3

Exercise 23 | Q 16.1 | Page 259

Two dice are thrown at the same time. Find the probability that the sum of the two numbers appearing on the top of the dice is: 0

Exercise 23 | Q 16.2 | Page 259

Two dice are thrown at the same time. Find the probability that the sum of the two numbers appearing on the top of the dice is: 12

Exercise 23 | Q 16.3 | Page 259

Two dice are thrown at the same time. Find the probability that the sum of the two numbers appearing on the top of the dice is: less than 12

Exercise 23 | Q 16.4 | Page 259

Two dice are thrown at the same time. Find the probability that the sum of the two numbers appearing on the top of the dice is:  less than or equal to 12

Exercise 23 | Q 17.1 | Page 259

A die is thrown once. Find the probability of getting:

a prime number

Exercise 23 | Q 17.2 | Page 259

A die is thrown once. Find the probability of getting:

a number greater than 3

Exercise 23 | Q 17.3 | Page 259

A die is thrown once. Find the probability of getting:

a number other than 3 and 5

Exercise 23 | Q 17.4 | Page 259

A die is thrown once. Find the probability of getting:

a number less than 6

Exercise 23 | Q 17.5 | Page 259

A die is thrown once. Find the probability of getting:

a number greater than 6.

Exercise 23 | Q 18.1 | Page 259

Two coins are tossed together. Find the probability of getting: exactly one tail

Exercise 23 | Q 18.2 | Page 259

Two coins are tossed together. Find the probability of getting: at least one head

Exercise 23 | Q 18.3 | Page 259

Two coins are tossed together. Find the probability of getting: no head

Exercise 23 | Q 18.4 | Page 259

Two coins are tossed together. Find the probability of getting: at most one head:

Solutions for 23: Probability

Exercise 23
Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 23 - Probability - Shaalaa.com

Selina solutions for Concise Mathematics [English] Class 8 ICSE chapter 23 - Probability

Shaalaa.com has the CISCE Mathematics Concise Mathematics [English] Class 8 ICSE CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Concise Mathematics [English] Class 8 ICSE CISCE 23 (Probability) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Selina textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Concise Mathematics [English] Class 8 ICSE chapter 23 Probability are Basic Ideas of Probability, Basic Ideas of Probability.

Using Selina Concise Mathematics [English] Class 8 ICSE solutions Probability exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Concise Mathematics [English] Class 8 ICSE students prefer Selina Textbook Solutions to score more in exams.

Get the free view of Chapter 23, Probability Concise Mathematics [English] Class 8 ICSE additional questions for Mathematics Concise Mathematics [English] Class 8 ICSE CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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