Math 9th Chap 11 : Topic 4 - Maryam Publications

Math Chapter 11 : Topic 4

Probability Applications

1 / 25

A card is drawn from a standard deck. What is the probability that it is a red card?

A) $1/4$

B) $3/4$

C) $2/3$

D) $1/2$

2 / 25

A die is rolled. What is the probability of getting a number greater than $4$?

A) $1/2$

B) $1/6$

C) $2/3$

D) $1/3$

3 / 25

A bag contains $3$ red, $5$ blue, and $2$ green balls. What is the probability of selecting a green ball?

A) $1/5$

B) $1/3$

C) $1/10$

D) $2/5$

4 / 25

A student guesses an answer randomly on a $4$-option $MCQ$. What is the probability of guessing correctly?

A) $1$

B) $1/2$

C) $1/3$

D) $1/4$

5 / 25

A coin is tossed twice. What is the probability of getting exactly one head?

A) $1/4$

B) $1$

C) $3/4$

D) $1/2$

6 / 25

A box contains $6$ apples and $4$ oranges. What is the probability of selecting an orange?

A) $4/5$

B) $2/5$

C) $1/2$

D) $3/5$

7 / 25

A number is selected from $1$ to $10$. What is the probability that it is even?

A) $2/5$

B) $1/2$

C) $3/5$

D) $1/5$

8 / 25

A spinner has $8$ equal sections numbered $1 - 8$. What is the probability of landing on a prime number?

A) $3/8$

B) $1/2$

C) $5/8$

D) $1/4$

9 / 25

A card is drawn. What is the probability that it is a king?

A) $4/13$

B) $1/52$

C) $1/13$

D) $1/4$

10 / 25

A jar contains $5$ identical coins, $2$ are biased and always give heads. What is the probability of picking a biased coin?

A) $2/5$

B) $3/5$

C) $4/5$

D) $1/5$

11 / 25

What is the probability of getting a tail when a fair coin is tossed?

A) $1/2$

B) $0$

C) $1$

D) $2$

12 / 25

A bag has $7$ white and $3$ black balls. Two balls are drawn one after another without replacement. What is the probability both are white?

A) $42/90$

B) $49/100$

C) $7/10$

D) $21/45$

13 / 25

Probability of an impossible event is:

A) $- \ 1$

B) $1$

C) $0$

D) $1/2$

14 / 25

Probability of a sure event is:

A) $1$

B) $0$

C) Infinity

D) $1/2$

15 / 25

A student randomly selects a day of the week. What is the probability it is a weekend?

A) $2/7$

B) $5/7$

C) $3/7$

D) $1/7$

16 / 25

If $P(A) = 0.3$, what is $P$ (not $A$)?

A) $0.3$

B) $0.5$

C) $1.3$

D) $0.7$

17 / 25

A number is chosen from $1$ to $20$. What is the probability it is divisible by $5$?

A) $1/4$

B) $2/5$

C) $1/3$

D) $1/5$

18 / 25

Two dice are rolled. What is the probability that the sum is $7$?

A) $1/36$

B) $1/6$

C) $6/36$

D) $1/12$

19 / 25

A drawer contains $10$ socks: $6$ black and $4$ white. What is the probability of picking a white sock?

A) $4/5$

B) $2/5$

C) $1/2$

D) $3/5$

20 / 25

A card drawn is known to be a face card. What is the probability it is a queen?

A) $1/3$

B) $1/13$

C) $1/4$

D) $1/12$

21 / 25

A student picks a random letter from the word "MATHEMATICS". What is the probability of picking '$M$'?

A) $2/11$

B) $4/11$

C) $1/11$

D) $3/11$

22 / 25

A number is selected from $1$ to $50$. What is the probability it is a multiple of $10$?

A) $1/10$

B) $1/2$

C) $1/5$

D) $1/50$

23 / 25

A bag contains $4$ red, $4$ blue, and $2$ yellow balls. What is the probability of NOT picking a yellow ball?

A) $1/5$

B) $4/5$

C) $3/5$

D) $2/5$

24 / 25

A die is rolled. What is the probability of getting an odd number?

A) $2/3$

B) $1/3$

C) $1/6$

D) $1/2$

25 / 25

A number is chosen from $1 - 100$. What is the probability it is less than $25$?

A) $1/2$

B) $1/5$

C) $3/4$

D) $1/4$

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