Probability MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Probability MCQs for Preparation.

The student can clear their concepts for Probability online quiz by attempting it. Doing MCQs based Probability will help you to check your understanding and identify areas of improvement.

What is the probability of rolling a fair six-sided die and getting an odd number?
A) 1/6
B) 1/3
C) 1/2
D) 2/3

A) 1/2

A bag contains 4 red balls and 6 blue balls. If a ball is drawn randomly, what is the probability of getting a red ball?
A) 2/5
B) 1/2
C) 4/10
D) 5/10

C) 4/10

A standard deck of cards has 52 cards. If a card is drawn randomly, what is the probability of getting a heart?
A) 1/13
B) 1/4
C) 13/52
D) 26/52

B) 1/4

Two dice are rolled. What is the probability of getting a sum of 7?
A) 1/6
B) 1/9
C) 1/12
D) 1/36

A) 1/6

A jar contains 10 red marbles, 6 blue marbles, and 4 green marbles. If a marble is drawn randomly, what is the probability of getting a blue marble?
A) 3/10
B) 1/4
C) 6/20
D) 3/20

C) 6/20

A box contains 5 red balls and 3 green balls. Two balls are drawn randomly without replacement. What is the probability of getting two red balls?
A) 1/6
B) 2/7
C) 5/14
D) 5/8

C) 5/14

In a deck of cards, what is the probability of drawing a face card (jack, queen, or king)?
A) 1/13
B) 1/4
C) 3/13
D) 3/4

D) 3/4

A bag contains 8 white balls and 5 black balls. Two balls are drawn randomly with replacement. What is the probability of getting two white balls?
A) 4/13
B) 25/169
C) 64/169
D) 1/169

C) 64/169

A box contains 4 red balls, 3 blue balls, and 5 green balls. If two balls are drawn randomly without replacement, what is the probability of getting a red ball followed by a blue ball?
A) 4/66
B) 12/66
C) 12/65
D) 12/64

B) 12/66

In a class, there are 20 boys and 15 girls. If a student is selected randomly, what is the probability of selecting a boy?
A) 2/7
B) 3/7
C) 20/35
D) 20/35

A) 2/7

A jar contains 5 red marbles, 3 blue marbles, and 2 green marbles. If two marbles are drawn randomly without replacement, what is the probability of getting two red marbles?
A) 1/15
B) 5/14
C) 10/36
D) 5/9

B) 5/14

A card is drawn randomly from a standard deck of 52 cards. What is the probability of drawing a queen or a king?
A) 1/13
B) 1/4
C) 3/13
D) 4/13

D) 4/13

A box contains 6 red balls, 4 blue balls, and 2 green balls. If a ball is drawn randomly, what is the probability of not getting a green ball?
A) 1/4
B) 2/3
C) 7/12
D) 10/12

D) 10/12

A fair coin is flipped twice. What is the probability of getting heads on both flips?
A) 1/2
B) 1/3
C) 1/4
D) 1/6

C) 1/4

A bag contains 8 red balls and 4 green balls. Two balls are drawn randomly without replacement. What is the probability of getting a red ball followed by a green ball?
A) 1/6
B) 4/33
C) 4/33
D) 8/33

B) 4/33

In a class, 10 students are selected randomly. If there are 6 boys and 4 girls, what is the probability of selecting 2 boys and 1 girl?
A) 1/6
B) 1/10
C) 1/15
D) 1/20

C) 1/15

A bag contains 5 red balls, 3 blue balls, and 2 green balls. If a ball is drawn randomly, what is the probability of not getting a blue ball?
A) 5/10
B) 6/10
C) 7/10
D) 8/10

C) 7/10

A fair six-sided die is rolled. What is the probability of getting a number less than 4?
A) 1/2
B) 1/3
C) 2/3
D) 3/4

B) 1/3

A bag contains 4 red balls and 6 blue balls. If two balls are drawn randomly with replacement, what is the probability of getting two red balls?
A) 1/10
B) 1/12
C) 1/16
D) 1/20

C) 1/16

A box contains 7 white balls and 5 black balls. Two balls are drawn randomly without replacement. What is the probability of getting two white balls?
A) 2/11
B) 7/33
C) 7/44
D) 7/55

B) 7/33

In a class, there are 25 students, including 12 boys and 13 girls. If a student is selected randomly, what is the probability of selecting a girl?
A) 12/25
B) 13/25
C) 1/2
D) 1/3

B) 13/25

A jar contains 4 red marbles, 3 blue marbles, and 5 green marbles. If three marbles are drawn randomly without replacement, what is the probability of getting a red marble followed by a blue marble and then a green marble?
A) 1/66
B) 4/66
C) 6/66
D) 20/66

B) 4/66

A deck of cards has 52 cards. If two cards are drawn randomly without replacement, what is the probability of getting two aces?
A) 1/26
B) 1/169
C) 1/221
D) 1/2704

C) 1/221

A fair coin is flipped three times. What is the probability of getting exactly two tails?
A) 1/2
B) 3/8
C) 1/4
D) 3/4

B) 3/8

In a bag, there are 6 red marbles, 4 blue marbles, and 2 green marbles. If two marbles are drawn randomly without replacement, what is the probability of getting a red marble on the first draw and a blue marble on the second draw?
A) 3/15
B) 8/33
C) 12/55
D) 24/110

B) 8/33

A jar contains 5 red balls, 3 blue balls, and 2 green balls. If three balls are drawn randomly without replacement, what is the probability of getting three red balls?
A) 1/66
B) 5/66
C) 10/66
D) 20/66

B) 5/66

A box contains 8 white balls and 4 black balls. Two balls are drawn randomly without replacement. What is the probability of getting a white ball followed by a black ball?
A) 2/11
B) 8/33
C) 16/77
D) 32/143

D) 32/143

In a class, 20 students are selected randomly. If there are 12 boys and 8 girls, what is the probability of selecting 3 boys and 2 girls?
A) 1/20
B) 3/38
C) 12/190
D) 12/323

D) 12/323

A bag contains 5 red balls, 4 blue balls, and 3 green balls. If a ball is drawn randomly, what is the probability of getting a blue or green ball?
A) 7/12
B) 1/3
C) 7/11
D) 2/5

C) 7/11

A fair six-sided die is rolled. What is the probability of getting an even number or a number greater than 3?
A) 1/2
B) 2/3
C) 5/6
D) 1/3

B) 2/3

A bag contains 4 red balls and 6 blue balls. If three balls are drawn randomly with replacement, what is the probability of getting at least one red ball?
A) 1/8
B) 3/10
C) 4/10
D) 1/2

C) 4/10

A box contains 6 white balls and 4 black balls. Two balls are drawn randomly without replacement. What is the probability of getting a white ball and then a black ball?
A) 3/19
B) 12/39
C) 24/59
D) 24/55

B) 12/39

In a class, there are 25 students, including 15 boys and 10 girls. If a student is selected randomly, what is the probability of selecting a boy or a girl?
A) 2/5
B) 3/5
C) 4/5
D) 1/2

C) 4/5

A jar contains 4 red marbles, 3 blue marbles, and 5 green marbles. If four marbles are drawn randomly without replacement, what is the probability of getting two red marbles and two blue marbles?
A) 1/66
B) 6/330
C) 12/330
D) 20/330

C) 12/330

A deck of cards has 52 cards. If three cards are drawn randomly without replacement, what is the probability of getting three aces?
A) 1/221
B) 1/286
C) 1/4165
D) 1/56320

C) 1/4165

A fair coin is flipped four times. What is the probability of getting exactly three tails?
A) 1/2
B) 1/8
C) 3/8
D) 1/4

C) 3/8

In a bag, there are 6 red marbles, 4 blue marbles, and 2 green marbles. If three marbles are drawn randomly without replacement, what is the probability of getting a red marble on the first draw, a blue marble on the second draw, and a green marble on the third draw?
A) 1/165
B) 4/165
C) 12/165
D) 24/165

B) 4/165

A jar contains 5 red balls, 3 blue balls, and 2 green balls. If four balls are drawn randomly without replacement, what is the probability of getting four red balls?
A) 1/990
B) 5/990
C) 20/990
D) 120/990

B) 5/990

A box contains 8 white balls and 4 black balls. Three balls are drawn randomly without replacement. What is the probability of getting two white balls and one black ball?
A) 8/91
B) 12/91
C) 16/91
D) 24/91

B) 12/91

In a class, 30 students are selected randomly. If there are 18 boys and 12 girls, what is the probability of selecting 4 boys and 2 girls?
A) 1/60
B) 1/120
C) 1/210
D) 1/420

C) 1/210

A bag contains 6 red balls, 4 blue balls, and 3 green balls. If a ball is drawn randomly, what is the probability of getting a blue or a green ball?
A) 7/13
B) 3/5
C) 7/13
D) 17/23

C) 7/13

A fair six-sided die is rolled. What is the probability of getting a number less than 3 or a number greater than 4?
A) 1/2
B) 2/3
C) 4/6
D) 5/6

C) 4/6

A bag contains 4 red balls and 6 blue balls. If four balls are drawn randomly with replacement, what is the probability of getting at least one red ball?
A) 1/16
B) 5/16
C) 7/16
D) 15/16

D) 15/16

A box contains 6 white balls and 4 black balls. Three balls are drawn randomly without replacement. What is the probability of getting a white ball, a black ball, and then a white ball?
A) 6/55
B) 12/55
C) 16/55
D) 18/55

B) 12/55

In a class, there are 30 students, including 15 boys and 15 girls. If a student is selected randomly, what is the probability of selecting a boy and then a girl?
A) 1/2
B) 1/4
C) 1/3
D) 1/30

B) 1/4

A jar contains 5 red balls, 4 blue balls, and 6 green balls. If five balls are drawn randomly without replacement, what is the probability of getting two red balls, two blue balls, and one green ball?
A) 1/1386
B) 10/1386
C) 120/1386
D) 240/1386

C) 120/1386

A deck of cards has 52 cards. If four cards are drawn randomly without replacement, what is the probability of getting four aces?
A) 1/5525
B) 1/3696
C) 1/270725
D) 1/4166400

C) 1/270725

A fair coin is flipped five times. What is the probability of getting exactly four tails?
A) 1/2
B) 1/16
C) 5/16
D) 1/32

C) 5/16

In a bag, there are 6 red marbles, 4 blue marbles, and 2 green marbles. If five marbles are drawn randomly without replacement, what is the probability of getting a red marble on the first draw, a blue marble on the second draw, a green marble on the third draw, and then a red marble on the fourth draw?
A) 1/1650
B) 4/1650
C) 24/1650
D) 48/1650

B) 4/1650

A jar contains 5 red balls, 3 blue balls, and 2 green balls. If five balls are drawn randomly without replacement, what is the probability of getting five red balls?
A) 1/9900
B) 5/9900
C) 10/9900
D) 120/9900

C) 10/9900

A box contains 8 white balls and 4 black balls. Four balls are drawn randomly without replacement. What is the probability of getting three white balls and one black ball?
A) 8/715
B) 32/715
C) 48/715
D) 64/715

B) 32/715

In a class, 40 students are selected randomly. If there are 24 boys and 16 girls, what is the probability of selecting 6 boys and 2 girls?
A) 1/120
B) 3/190
C) 36/9139
D) 48/9139

C) 36/9139

A bag contains 6 red balls, 4 blue balls, and 3 green balls. If a ball is drawn randomly, what is the probability of getting a blue or a green ball?
A) 7/13
B) 7/12
C) 7/10
D) 17/23

A) 7/13

A fair six-sided die is rolled. What is the probability of getting a number less than 3 or a number greater than 5?
A) 1/2
B) 1/3
C) 2/3
D) 5/6

D) 5/6

A bag contains 4 red balls and 6 blue balls. If four balls are drawn randomly with replacement, what is the probability of getting at least one red ball?
A) 1/16
B) 7/16
C) 15/16
D) 1/2

C) 15/16

A box contains 6 white balls and 4 black balls. Four balls are drawn randomly without replacement. What is the probability of getting a white ball, a black ball, a white ball, and then a black ball?
A) 9/77
B) 12/77
C) 16/77
D) 18/77

A) 9/77

In a class, there are 30 students, including 15 boys and 15 girls. If a student is selected randomly, what is the probability of selecting a boy and then another boy?
A) 1/30
B) 1/60
C) 1/2
D) 1/4

B) 1/60

A jar contains 5 red balls, 4 blue balls, and 6 green balls. If six balls are drawn randomly without replacement, what is the probability of getting two red balls, two blue balls, and two green balls?
A) 1/1485
B) 10/1485
C) 120/1485
D) 240/1485

C) 120/1485

A deck of cards has 52 cards. If five cards are drawn randomly without replacement, what is the probability of getting five hearts?
A) 1/54145
B) 1/352260
C) 1/2598960
D) 1/25989600

A) 1/54145

A fair coin is flipped six times. What is the probability of getting exactly five heads?
A) 1/2
B) 1/64
C) 5/64
D) 1/32

C) 5/64

In a bag, there are 6 red marbles, 4 blue marbles, and 2 green marbles. If six marbles are drawn randomly without replacement, what is the probability of getting a red marble on the first draw, a blue marble on the second draw, a green marble on the third draw, a red marble on the fourth draw, a blue marble on the fifth draw, and then a green marble on the sixth draw?
A) 1/83160
B) 10/83160
C) 120/83160
D) 720/83160

C) 120/83160

A jar contains 5 red balls, 3 blue balls, and 2 green balls. If six balls are drawn randomly without replacement, what is the probability of getting six red balls?
A) 1/55440
B) 5/55440
C) 20/55440
D) 120/55440

B) 5/55440

A box contains 8 white balls and 4 black balls. Five balls are drawn randomly without replacement. What is the probability of getting three white balls and two black balls?
A) 8/1001
B) 32/1001
C) 48/1001
D) 64/1001

C) 48/1001

In a class, 50 students are selected randomly. If there are 30 boys and 20 girls, what is the probability of selecting 6 boys and 4 girls?
A) 1/7315
B) 15/7315
C) 36/7315
D) 48/7315

B) 15/7315

A bag contains 6 red balls, 4 blue balls, and 3 green balls. If a ball is drawn randomly, what is the probability of getting a blue or a green ball?
A) 7/13
B) 7/12
C) 7/10
D) 17/23

A) 7/13

A fair six-sided die is rolled. What is the probability of getting an odd number or a number greater than 4?
A) 1/2
B) 2/3
C) 4/6
D) 5/6

D) 5/6

A bag contains 4 red balls and 6 blue balls. If five balls are drawn randomly with replacement, what is the probability of getting at least one red ball?
A) 1/32
B) 7/32
C) 25/32
D) 1/2

C) 25/32

A box contains 6 white balls and 4 black balls. Five balls are drawn randomly without replacement. What is the probability of getting a white ball, a black ball, a white ball, a black ball, and then a white ball?
A) 9/154
B) 12/154
C) 16/154
D) 18/154

A) 9/154

In a class, there are 30 students, including 15 boys and 15 girls. If a student is selected randomly, what is the probability of selecting a girl and then a boy?
A) 1/2
B) 1/4
C) 1/3
D) 1/30

B) 1/4

A jar contains 5 red balls, 4 blue balls, and 6 green balls. If five balls are drawn randomly without replacement, what is the probability of getting two red balls, two blue balls, and one green ball?
A) 1/1386
B) 10/1386
C) 120/1386
D) 240/1386

C) 120/1386

A deck of cards has 52 cards. If five cards are drawn randomly without replacement, what is the probability of getting five aces?
A) 1/54145
B) 1/389610
C) 1/2598960
D) 1/25989600

A) 1/54145

A fair coin is flipped six times. What is the probability of getting exactly five heads?
A) 1/2
B) 1/64
C) 5/64
D) 1/32

C) 5/64

In a bag, there are 6 red marbles, 4 blue marbles, and 2 green marbles. If five marbles are drawn randomly without replacement, what is the probability of getting a red marble on the first draw, a blue marble on the second draw, a green marble on the third draw, a red marble on the fourth draw, and then a blue marble on the fifth draw?
A) 1/83160
B) 10/83160
C) 120/83160
D) 720/83160

C) 120/83160

A jar contains 5 red balls, 3 blue balls, and 2 green balls. If five balls are drawn randomly without replacement, what is the probability of getting five red balls?
A) 1/55440
B) 5/55440
C) 20/55440
D) 120/55440