# 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:**

- blue
- not red
- either red or green
- black
- red and green.

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

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

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

**4. **

- A batsman hits a boundary in 7 balls out of 28 balls. Find the probability that he doesn’t hit a boundary.
- 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:**

- A
- not B
- C
- Either A or B
- (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**

- Anon-face card
- either a face card or a red card
- a red face card
- a king of black suit
- a diamond
- either a spade or club.

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

- 2 heads
- 2 tails
- At least one head
- 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:**

- a prime number
- an even number
- a number divisible by 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:**

- male
- female
- male or female
- 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 :**

- green
- not purple
- either green or purple

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

- a black king
- Neither heart nor a king
- a black card and a king
- 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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