CBSE Worksheet for chapter- 14 Probability class 10

Worksheet For class 10

Find CBSE Worksheet for chapter- 14 Probability class 10

CLASS-10

BOARD: CBSE

Mathematic Worksheet - 14

TOPIC: Probability

For other CBSE Worksheet for class 10 Mathematic check out main page of Physics Wallah.

FORMULA

P(E) =(Number of trials in which the event happened)/(Total number of trails)

QUESTIONS

1. A bag contains 5 red, 4 blue and 3 green balls. One ball is drawn at random. Find the probability that the ball drawn is:

1. blue
2. not red
3. either red or green
4. black
5. red and green.

2. A dice is thrown once. Find the probability of getting:

1. a number divisible by 3
2. a factor of 6
3. either 3 or 4
4. neither 2 nor 4
5. a number from 1 to 6
6. a number 7.

3. Find the probability of having 53 Sundays in a leap year.

4.

1. A batsman hits a boundary in 7 balls out of 28 balls. Find the probability that he doesn’t hit a boundary.
2. The probability of winning a game is 0.65. What is the probability of losing it ?

5. A child has a dice whose six faces show the letters as given below:

ACBA

6. The dice is thrown once. What is the probability of getting:

1. A
2. not B
3. C
4. Either A or B
5. (not f) neither A nor B.

7. From a well shuffled deck of 52 playing cards, a card is drawn at random. Find the probability of getting

1. Anon-face card
2. either a face card or a red card
3. a red face card
4. a king of black suit
5. a diamond
6. either a spade or club.

8. Two coins are tossed simultaneously. Find the probability of getting

1. 2 heads
2. 2 tails
3. At least one head
4. at most one tail.

9. A box contains cards numbered from 1 to 20. A card is drawn at random. Find the probability that the card drawn bears:

1. a prime number
2. an even number
3. a number divisible by 4
4. a factor of 20.

10. In an interview one candidate is to be selected out of 5 male and 6 female candidates. Find the probability that the selected candidate is a:

1. male
2. female
3. male or female
4. male and female.

11. A box contains 3 red, 4 green and 6 purple marbles. One marble is taken out at random. Find the probability that the marble taken out is :

1. green
2. not purple
3. either green or purple

12. A card is drawn at random from a well shuffled deck of 52 cards. Find the probability of getting

1. a black king
2. Neither heart nor a king
3. a black card and a king
4. a spade or a ace.

13. A box contains 24 balls out of which some are green and others are red. If a ball is drawn from the probability of getting a green ball is 2/3. Find the number of red balls in the box.