Probability Class 9 Worksheet

# Probability Class 9 Worksheet

Probability Class 9 Worksheet plays a major role in revising the probability concepts.

## Probability Class 9 Worksheet with Answers

1. Find the probability of getting a spade from a pack of 52 cards in a random experiment.

2. A coin is tossed 300 times and the following results are obtained.

Heads - 170; Tails - 130. Find the probability of getting

b. tails

3. A die is rolled. Find the probability of getting

a. an even number

b. a prime number

c. a number less than 3

d. a number which is multiple of 3

4. In a box, there are 20 cards with numbers 1 to 20. A card is selected at random from the box. Find the probability of getting

a. a prime number

b. a multiple of 6

c. a one-digit number

5. Find the probability of getting a heart card when a card is selected at random from a pack of 52 cards.

6. In a class of 60 students, 20 students play football, 25 students play cricket and the remaining students play tennis. If one student is selected at random, find the probability that the selected student plays tennis. Also, find the probability that the selected student plays cricket.

7. A bag contains 25 red, 35 yellow and 40 blue balls. A ball is taken out of the bag at random. Find the probability that the ball taken out is of

a. red colour

b. yellow colour

c. blue colour

8. In a box, there are 15 cards with numbers 1 to 15. A card is selected at random from the box. Find the probability of getting

a. an even number

b. an odd number

c. a factor of 15

d. a composite number

9. There are 20 beads in a necklace with 4 green, 5 red, 3 black and 8 white beads. A bead is touched at random with eyes closed. Find the probability of touching

d. a green or red bead

10. A bag contains 5 red, 10 black and 15 green balls. A ball is taken out at random. Find the probability that the ball taken out is:

a. a red ball

b. a black ball

c. not a black ball

d. not a green ball.

11. A bag contains 25 pink balls, 15 green balls and 20 purple balls. Find the probability of getting a purple ball.

12. The chits with numbers 15 to 40 are put in a box. A chit is drawn at random. Find the probability of getting a chit with a number which is a multiple of 7.

1. ¼

2. a. 17/30        b. 13/30

3. a. ½               b. ½

c. 1/3            d. 1/3

4. a. 2/5           b. 3/20

c. 9/20

5. ¼              6. ¼ ; 5/12

7. a. ¼         b. 7/20

c. 2/5

8. a. 7/15        b. 8/15

c. 4/15        d. 8/15

9. a. 1/5         b. ¼

c. 3/20       d. 9/20

10. a. 1/6       b. 1/3

c. 2/3       d. ½

11. 1/3          12. 3/26

 Maths Worksheets for Other Chapters of Class 9

 Maths Worksheets for Other Classes

Maths Worksheets for Class 1

Maths Worksheets for Class 2

Maths Worksheets for Class 3

Maths Worksheets for Class 4

Maths Worksheets for Class 5

Maths Worksheets for Class 6

Maths Worksheets for Class 7

Maths Worksheets for Class 8