Maths MCQ Quiz on Probability for Students of Grade 9

This MCQ quiz is for class 9th students who are pursuing the CBSE Board (NCERT Syllabus). Just go through these questions and tick the correct answers.

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Maths Quiz for Class 9th CBSE Board (Probability) 30 Questions

Here we have 30 Maths MCQs for Class 9 CBSE Board for the Chapter Probability. Please solve it to better understand maths. Time allowed is 15 Minutes

1 / 30

A bag contains 5 red and 3 blue balls. If a ball is drawn at random, the probability of drawing a blue ball is:

5/8

1/2

3/8

3/5

2 / 30

The sum of the probabilities of all events of a trial is:

0.5

3 / 30

In a throw of a die, the probability of getting an even number is:

1/2

2/3

1/6

1/3

4 / 30

A bag contains 3 red, 2 blue and 5 yellow balls. A ball is drawn. Probability it is red or blue is:

1/2

2/5

3/10

7/10

5 / 30

In a sample of 500 parts, 5 were found defective. What is the probability of a non-defective part?

0.01

0.95

0.99

0.5

6 / 30

The probability of an event can never be:

Fraction

Decimal

Negative

Zero

7 / 30

Probability of the event happening P(E) =

Number of favourable outcomes/Total number of outcomes

Total number of outcomes/Number of favourable outcomes

Sample space/ Favourable outcome

None of these

8 / 30

A month is selected at random. The probability that it is March is:

1/7

1/12

1/30

1/365

9 / 30

A survey of 200 students showed 135 like statistics while 65 dislike it. The probability that a student chosen at random dislikes statistics is:

1/2

27/40

13/40

3/4

10 / 30

A single event that is performed to determine the outcome is called

Probability

Chance

Trial

None of these

11 / 30

In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary.

4/5

1/5

2/5

3/5

12 / 30

If the probability of winning a game is 0.6, the probability of losing it is:

1.6

1.4

0.6

0.4

13 / 30

Which of the following cannot be the probability of an event?

15%

-1.5

2/3

0.7

14 / 30

If an event E occurs in every trial of an experiment, then P(E) is:

Variable

0.5

15 / 30

If P(E) = 0.37, then P(Not E) will be:

0.63

0.53

0.37

16 / 30

In 1000 trials, an event occurs 250 times. The probability of its nonoccurrence is:

0.5

0.25

0.75

17 / 30

A die is thrown 300 times and '6' appears 50 times. The probability of getting a '6' is:

5/6

1/3

1/5

1/6

18 / 30

Out of 40 students, 10 are girls. The probability of selecting a boy is:

1/4

1/3

3/4

1/2

19 / 30

Three coins are tossed simultaneously 200 times. If 3 heads appear 23 times, the probability of 3 heads is:

23/200

0.5

1/8

177/200

20 / 30

In a deck of 52 cards, the probability of drawing a king is:

1/4

1/13

4/13

1/52

Correct

21 / 30

The sum of P(E) and P(Not E) is always:

0.5

22 / 30

A die is rolled once. The probability of getting a number greater than 4 is:

1/3

1/6

2/3

1/2

23 / 30

The numerical value of a certain event is:

Greater than 1

Less than 0

24 / 30

Two coins are tossed simultaneously. The probability of getting at least one head is:

3/4

1/4

1/2

25 / 30

A coin is tossed 1000 times with frequencies: Head: 455, Tail: 545. The
probability of getting a head is:

0.455

0.5

0.545

26 / 30

A collection of 20 numbers has 5 primes. The probability that a number selected is not prime is:

1/2

1/4

3/4

5/20

27 / 30

The probability of an impossible event is:

None

28 / 30

The probability of a sure event is:

100

0.5

29 / 30

In n trials of an experiment, an event E happens m times. The empirical probability P(E) is:

m + n

m/n

n/m

m - n

30 / 30

The range of probability of any event is:

0 ≤ P(E) ≤ 1

-1 ≤ P(E) ≤ 1

0 < P(E) < 1

None

Your score is

The average score is 96%

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