Selected MCQ

Current Question
Three dice are thrown. Probability that all show the same number is ____.
  • A. 1/216
  • B. 1/36
  • C. 5/9
  • D. 5/12
Correct Answer: B
Explanation:
Favorable = 6, total = 216 → 6/216 = 1/36.
Related Question 1
Three dice are thrown. Probability that no two show same number is ____.
  • A. 7/12
  • B. 5/9
  • C. 1/36
  • D. 5/12
Correct Answer: B
Explanation:
Favorable = 120 → 120/216 = 5/9.
Related Question 2
Three dice are thrown. Probability that exactly two show same number is ____.
  • A. 5/9
  • B. 5/12
  • C. 1/36
  • D. 7/12
Correct Answer: B
Explanation:
Favorable outcomes = 90 → 90/216 = 5/12.
Related Question 3
Three dice are thrown. Find the number of outcomes where the sum is 10.
  • A. 36
  • B. 81
  • C. 91
  • D. 116
Correct Answer: C
Explanation:
Count valid combinations.
Related Question 4
If two dice are thrown, what is the probability of getting an even number on both?
  • A. 1/4
  • B. 1/2
  • C. 3/4
  • D. 3/5
Correct Answer: A
Explanation:
Even outcomes = 3 each → (3/6)² = 1/4.
Related Question 5
12 children take 16 days to finish work. Time for the same work with a different number is ____.
  • A. 3 days
  • B. 4 days
  • C. 6 days
  • D. 8 days
Correct Answer: C
Explanation:
Work is inversely proportional.