MCQ Questions Chapter 15 Probability Class 9 Mathematics

Probability Class 9 MCQ with Answers is accessible in PDF format to assist students with reiterating the recently studied lessons before CBSE Board Exam. Thus, MCQ on Probability Class 9 is prepared by our expert teachers who have long periods of teaching experience.

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Probability Class 9 Mathematics MCQ Questions with Answers

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Probability Class 9 MCQ PDF downloads have been gathered for students to rehearse. Students can prepare this Class 9 Probability MCQ PDF. Each question has four choices with answers. Firstly, Solve all these Questions and check your answer with the right answer. If your answers do not match with the right answer, Don’t worry try again because You need to prepare daily to score higher marks in the Class 9 Mathematics Exam.

Question. In a football match, Ronaldo makes 9 goals from 12 penalty kicks. The probability of  converting a penalty kick into a goal by Ronaldo, is
(a) 3/4
(b) 1/6
(c) 1/3 
(d) 2/5

Question. The weights of 40 students of a class are given below:

Find the probability that a person is selected at random has weight between 41 and 44 kg.
(a) 2/5
(b) 3/5
(c) 7/10
(d) 3/10

Question. The following table shows the age distribution of patients of malaria in a village during a particular month. 

If an affected person is selected at random, then find the probability that a person is below 40 years.
(a) 22/25
(b) 3/25
(c) 17/25
(d) 1

Question. The CBSE has prepared a list of 600 examiners in Mathematics. Out of these, 250 examiners are from government schools and 350 from private schools. Find the probability that an examiner selected at random from the list is from government school.
(a) 5/8
(b) 3/8
(c) 1/4
(d) 5/12

Question. The percentage of attendance of different classes in a year in a school is given below.

What is the probability that the class attendance is more than 80%?
(a) 1/6
(b) 1/3
(c) 5/6
(d) 1/2

Question. In a class, there are a boys and b girls. A student is selected at random, then probability of selecting a girl is
(a) a/b
(b) a/a + b
(c) b/a + b
(d) b/a

Question. 80 bulbs are selected at random from a lot and their life time (in hrs) is recorded in the form of a frequency table as given below :

One bulb is selected at random from the lot. The probability that its life is 1150 hours is
(a) 1/80
(b) 7/16 
(c) 0
(d) 1

Question. Events E₁, E₂, E₃ are the only possible events of an experiment and their probabilities are recorded. Which of the following can be the possible correct answer?
(a) P(E₁) = 0.3, P(E₂) = 0.4, P(E₃) = 0.3
(b) P(E₁) = 0.2, P(E₂) = 0.4, P(E₃) = 0.3
(c) P(E₁) = 0.6, P(E₂) = –0.3, P(E₃) = 0.7
(d) P(E₁) = 0.4, P(E₂) = 0.1, P(E₃) = 0.3

Question. In a sample study of 642 people, it was found that 514 people have a high school certificate . If a person is selected at random, the probability that the person has a high school certificate is :
(a) 0.5
(b) 0.6
(c) 0.7
(d) 0.8

Question. Three coins are tossed simultaneously 500 times and we get the following observations :
Three heads = 104, Exactly 2 heads = 166, Exactly 1 head = 120 and No head = 110. The probability of non-occurrence of exactly 2 heads is
(a) 0.16
(b) 0.384
(c) 0.4
(d) 0.668

Question. On a particular day, the number of vehicles passing through a crossing is given below:

A particular vehicle is chosen at random. What is the probability that it is not a four-wheeler?
(a) 21/80
(b) 21/40
(c) 3/4
(d) 5/4

Question. Two coins are tossed 1000 times and the outcomes are recorded as below :

The probability for at most one head is
(a) 1/5
(b) 1/4
(c) 4/5
(d) 3/4

Question. The following data shows the relation between the number of families and number of  children they have. What is the probability of a family chosen at random having at least two children?

(a) 33/53
(b) 35/53
(c) 34/53
(d) 19/53

Question. In a group of 60 persons, 35 like coffee. Out of this group, if one person is chosen at random, then what is the probability that he or she does not like coffee?
(a) 7/12
(b) 5/12
(c) 5/7
(d) 3/12

Question. 9 bags of wheat flour, each marked 6 kg, actually contained the following weights of flour (in kg): 6.01, 5.97, 6.05, 6.08, 6.03, 5.98, 6.04, 6.08, 5.96. The probability that a bag chosen at random, contains less than 6 kg of flour is 
(a) 2/9
(b) 1/3
(c) 4/9
(d) 7/9

Question. The given table shows the ages (in years) of 360 patients, getting medical treatment in a hospital.

One of the patients is selected at random. The probability that the selected patient’s age is 30 years or more but less than 40 years, is
(a) 1/6
(b) 2/9
(c) 0
(d) 1

Question. If 10/100 , 13/100 , 15/100 , 18/100 , x/100 , 30/100 are the probabilities of 6 observations of an experiment, then find the value of x.
(a) 12
(b) 13
(c) 14
(d) 15

Question. A bag contains 100 coins and each coin is marked from 1 to 100. One coin is picked at random. The probability that the number on the coin is not a prime number, is
(a) 1/4
(b) 3/4
(c) 2/5
(d) 4/5

Question. In a one day match, a player played 40 balls.
The runs scored are as follows :

Find the probability that player hits a four or a six.
(a) 3/20
(b) 1/2
(c) 1/4
(d) 9/20

Question. In a survey, out of all students, 53% said ‘No’, 20% said ‘Yes’ and the remaining said ‘They could not decide’. If a student is chosen at random, then what is the chance that the student did not say ‘No’?
(a) 15/100
(b) 43/100
(c) 47/100
(d) 57/100

Case Based MCQs

Read the following passage and answer the questions.
A jeweller has different types of bracelets in his shop. Sunita wants to purchase a bracelet for her
sister’s birthday gift. When Sunita goes to shop, she founds the following data which represents the 
number of bracelets of different types in the shop.

Question. What is the probability of a sure event?
(a) 1
(b) 0
(c) 1/2
(d) 2/3

Question. What is the probability that she chooses neither Bangle bracelet nor Pearl bracelet? 
(a) 23/180 
(b) 45/180
(c) 109/180
(d) 23/45

Question. Find the probability that she chooses Pearl bracelet.
(a) 23/180
(b) 37/180
(c) 37/90
(d) 23/90

Question. What is the probability that Sunita purchased a Cuff bracelet?
(a) 6/17
(b) 2/13
(c) 1
(d) 2/15

Question. Find the probability that Sunita chooses Chain Bracelet.
(a) 23/180
(b) 37/180
(c) 37/90
(d) 23/90

Read the following passage and answer the questions.
On one day in school, teacher performed an activity with the students. She tells every student to write 
their weights on their notebook. After that she makes the following frequency distribution tablefrom the collected data and asks some questions.

Question. The probability that the weight of the student is not more than or equal to 45 kg is
(a) 15/31
(b) 1/2
(c) 27/50
(d) 2/3

Question. If an experiment is performed, then the probability of an event (E) is 
(a) P(E) = No. of trials in which the event has happened / Total no. of trials
(b) P(E) = Total no. of trials / No. of trials in which the event has happened
(c) P(E) = No. of trials in which the event has not happened / Total no. of trials
(d) none of these

Question. The probability that weight of student is less than 60 kg but more than or equal to 45 kg is
(a) 23/50
(b) 13/50 
(c) 11/50
(d) 19/50

Question. Find the probability of a randomly chosen student of weight atleast 50 kg.
(a) 11/50
(b) 13/50 
(c) 21/50
(d) 7/50

Question. The probability that the selected student has atmost 65 kg weight is
(a) 0
(b) 23/41 
(c) 16/17
(d) 1