Selected MCQ

Current Question
The probability that A speaks the truth is 3/5, and the probability that B speaks the truth is 4/7. What is the probability that both speak the truth?
  • A. 18/35
  • B. 12/35
  • C. 17/35
  • D. 19/35
Correct Answer: B
Explanation:
Independent events → (3/5)(4/7) = 12/35? The correct answer is 12/35.
Related Question 1
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 2
12 people draw lots. Probability that one specific host has dinner is ____.
  • A. One
  • B. Zero
  • C. Three
  • D. Cannot be
Correct Answer: D
Explanation:
Insufficient clarity.
Related Question 3
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 4
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 5
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.