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## Probability Class 12 Multiple Choice Test

/10

Thank you for answering the multiple choice test

Probability Class 12 (121301)

General Instruction:

1. There are 10 MCQ’s in the Test.

2. Passing %age is 50.

3. After time gets over, test will be submitted itself.

1 / 10

Two dice are rolled. What is the probability of getting a sum of 7?

A) 1/6

B) 1/12

C) 1/36

D) 1/4

2 / 10

If two events are dependent, what can you say about their probabilities?

A) The probabilities are equal.

B) The probabilities are different.

C) The probabilities are multiplied.

3 / 10

In a bag, there are 4 red balls and 5 blue balls. If two balls are drawn at random without replacement, what is the probability of getting a red ball and then a blue ball?

A) 4/45

B) 4/9

C) 5/18

D) 2/9

4 / 10

In a race, the probability of John winning is 1/5 and the probability of Mark winning is 3/10. What is the probability that either John or Mark wins the race?

A) 1/15

B) 7/10

C) 1/2

D) 3/5

5 / 10

In a class, 70% of the students wear glasses. If a student is chosen at random, what is the probability that they do not wear glasses?

A) 0.3

B) 0.7

C) 0.4

D) 0.6

6 / 10

If two events are mutually exclusive, what can you say about their probabilities?

A) The probabilities are equal.

B) The probabilities are different.

C) The probabilities are multiplied.

7 / 10

If two events are independent, what can you say about their probabilities?

A) The probabilities are equal.

B) The probabilities are different.

C) The probabilities are multiplied.

8 / 10

In a bag, there are 5 red balls, 3 green balls, and 2 blue balls. If one ball is drawn at random, what is the probability of getting a green ball?

A) 3/10

B) 5/10

C) 2/10

D) 1/4

9 / 10

In a bag, there are 6 red balls and 4 blue balls. If two balls are drawn at random without replacement, what is the probability of getting two red balls?

A) 3/8

B) 1/3

C) 5/12

D) 1/4

10 / 10

In a bag, there are 3 red balls and 2 green balls. If one ball is drawn at random and then put back in the bag, and then another ball is drawn, what is the probability of getting a red ball both times?

A) 1/10

B) 2/5

C) 3/5

D) 4/5