Probability Questions and Answers – Dice

This set of Aptitude Questions and Answers (MCQs) focuses on “Dice”.

1. An unbiased dice is thrown. What are the total number of possible outcomes?
a) 18
b) 12
c) 6
d) 24
View Answer

Answer: c
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Thus, total number of possible outcomes when an unbiased dice is thrown are 6.

2. An unbiased dice is thrown. What is the probability of getting 3?
a) 1 / 6
b) 1 / 3
c) 1 / 2
d) 2 / 3
View Answer

Answer: a
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Favorable outcome = 3
Probability = 1 / 6

3. An unbiased dice is thrown. What is the probability of getting 8?
a) 1
b) 0
c) 1 / 2
d) 1 / 6
View Answer

Answer: b
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Favorable outcome = 0
Probability = 0 / 6 = 0
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4. An unbiased dice is thrown. What is the probability of getting a number greater than and equal to 3?
a) 2 / 3
b) 1 / 3
c) 1 / 6
d) 3 / 4
View Answer

Answer: a
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Favorable outcome = 3, 4, 5, 6
Probability = 4 / 6 = 2 / 3

5. An unbiased dice is thrown. What is the probability of getting a number less than 3?
a) 5 / 6
b) 2 / 3
c) 1 / 3
d) 1 / 6
View Answer

Answer: c
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Favorable outcome = 1, 2
Probability = 2 / 6 = 1 / 3

6. An unbiased dice is thrown. What is the probability of getting an odd number?
a) 2 / 3
b) 1 / 6
c) 1 / 3
d) 1 / 2
View Answer

Answer: d
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Favorable outcome = 1, 3, 5
Probability = 3 / 6 = 1 / 2

7. An unbiased dice is thrown. What is the probability of getting 5 or a greater number?
a) 1 / 3
b) 1 / 3
c) 5 / 6
d) 2 / 3
View Answer

Answer: a
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Favorable outcome = 5, 6
Probability = 2 / 6 = 1 / 3
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8. An unbiased dice is thrown. What is the probability of getting an even number greater than 3?
a) 4 / 6
b) 5 / 6
c) 2 / 6
d) 3 / 6
View Answer

Answer: c
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Favorable outcome = 4, 6
Probability = 2 / 6

9. An unbiased dice is thrown. What is the probability of getting an even number greater than 0?
a) 0
b) 1
c) 1 / 2
d) 6
View Answer

Answer: b
Explanation:
Possible outcomes = 1, 2, 3, 4, 5, 6
Favorable outcome = 1, 2, 3, 4, 5, 6
Probability = 6 / 6 = 1
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10. n dice are thrown simultaneously. What is the total number of possible outcomes?
a) 6n
b) 6n / 3
c) n6 / 2
d) 3n2
View Answer

Answer: a
Explanation: Given,
Number of dice = n
Total number of possible outcomes = 6n as according to the theory of combination we can get 6 different outcomes in throw of a single dice and since n dice are thrown simultaneously. Thus, total possible outcomes will be represented by 6n.

To practice all aptitude questions, please visit “1000+ Quantitative Aptitude Questions”, “1000+ Logical Reasoning Questions”, and “Data Interpretation Questions”.

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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