**MCQs Questions for Class 10 Maths Chapter 15 Probability**

In this 21^{st} century, Multiple Choice Questions (MCQs) play a very important role to prepare for a competitive examination. CBSE board also gives a number of MCQs questions in board examinations. In most of the competitive examinations, only MCQ Questions are asked.

In future, if you want to prepare for competitive examination, then you should focus on the MCQs questions. Thus, let’s solve these MCQs questions to make our foundation strong.

In this post, you will find **20** **MCQs questions for class 10 maths chapter 15 probability**.

**MCQs Questions for Class 10
Maths Chapter 15 Probability**

**1.** A dice is thrown. Find the probability of
getting an odd number.

(A) 2/3

(B) 1

(C) 5/6

(D) 1/2

**Answer: D**

**2. **The probability
of getting exactly one head in tossing a pair of coins is

(A) 0

(B) 1

(C) 1/3

(D)1/2

**Answer: D**

**3. **The probability
that a number selected at random from the numbers 1, 2, 3, 4, …, 15 is a
multiple of 4 is

(A) 4/15

(B) 2/15

(C) 1/5

(D) 1/3

**Answer: C**

**4.** Two dice are thrown simultaneously. The
probability of getting a sum of 9 is:

(A) 1/10

(B) 3/10

(C) 1/9

(D) 4/9

**Answer: C**

**5. **Three coins are
tossed simultaneously. The probability of getting all heads is

(A) 1

(B) ¼

(C) 1/8

(D) 1/2

**Answer: C**

**6. **If the
probability of an event is P, the probability of its complementary event will
be:

(A) P – 1

(B) P

(C) 1 – p

(D) 1 – 1/p

**Answer: C**

**7.** 100 cards are numbered from 1 to 100. Find the
probability of getting a prime number.

(A) ¾

(B) 27/50

(C) 1/4

(D) 29/100

**Answer: C**

**8. **The total
events to throw three dice simultaneously is

(A) 6

(B) 18

(C) 81

(D) 216

**Answer: D**

**9. **If P(A) denotes
the probability of an event, then:

(A) P(A) < 0

(B) P(A) > 0

(C) 0 ≤ P(A) ≤ 1

(D) -1 ≤ P(A) ≤ 0

**Answer: C**

**10.** A bag contains 5 red balls and some blue balls.
If the probability of drawing a blue ball is double that of a red ball, then
the number of blue balls in a bag is:

(A) 5

(B) 10

(C) 15

(D) 20

**Answer: B**

**11. **A girl
calculates that the probability of her winning the first prize in a lottery
is 8/100. If 6,000 tickets are
sold, how many tickets has she bought?

(A) 400

(B) 750

(C) 480

(D) 240

**Answer: C**

**12. **A card is drawn
from a deck of 52 cards. The event E is that card is not an ace of hearts. The
number of outcomes favourable to E is:

(A) 4

(B) 13

(C) 48

(D) 51

**Answer: D**

**13.** A box of 600 bulbs contains 12 defective bulbs.
One bulb is taken out at random from this box. Then the probability that it is
non-defective bulb is:

(A) 143/150

(B) 147/150

(C) 1/25

(D) 1/50

**Answer: B**

**14.
**Which of the following cannot be
the probability of an event?

(A) 1.5

(B) 3/5

(C) 25%

(D) 0.3

**Answer: A**

**15.
**The probability of getting a bad
egg in a lot of 400 is 0.035. The number of bad eggs in the lot is:

(A) 7

(B) 14

(C) 21

(D) 28

**Answer: B**

**16.** What is the probability of getting 53 Mondays in
a leap year?

(A) 1/7

(B) 53/366

(C) 2/7

(D) 7/366

**Answer: C**

**17.** An experiment whose outcomes has to be among a
set of events that are completely known but whose exact outcomes is unknown is
a

(A) sample space

(B) elementary event

(C) random experiment

(D) none of these

**Answer: C**

**18.** A card is drawn from a well-shuffled deck of 52
cards. Find the probability of getting a king of red suit.

(A) 1/26

(B) 3/26

(C) 7/52

(D) 1/13

**Answer: A**

**19.** A game consists of tossing a one-rupee coin 3
times and noting its outcome each time. Aryan wins if all the tosses give the
same result, i.e. three heads or three tails and loses otherwise. Then the
probability that Aryan will lose the game.

(A) ¾

(B) ½

(C) 1

(D) 1/4

**Answer: A**

**20.** A jar contains 24 marbles. Some marbles are red
and some others are white. If a marble is drawn at random from the jar, the
probability that it is red is 2/3, then the number of white marbles in the jar
is:

(A) 10

(B) 6

(C) 8

(D) 7

**Answer: C**