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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.

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