Q. If two dice are rolled, what is the probability of getting double sixes?
(A)
1/6
(B)
1/12
(C)
1/18
(D)
1/36
✅ Correct Answer: (D)
1/36
Explanation: Only one outcome (6,6) is favorable out of 36 total outcomes.
Q. What is the probability of getting at least one tail when two coins are tossed?
(A)
1/4
(B)
1/2
(C)
3/4
(D)
1
✅ Correct Answer: (C)
3/4
Explanation: Outcomes are HH, HT, TH, TT. All except HH contain at least one tail. Probability = 3/4.
Q. A number is selected from 1 to 20. What is the probability that it is divisible by 5?
(A)
1/10
(B)
1/5
(C)
1/4
(D)
1/2
✅ Correct Answer: (B)
1/5
Explanation: Numbers divisible by 5 are 5, 10, 15, and 20. Favorable outcomes = 4. Total outcomes = 20. Probability = 4/20 = 1/5.
Q. A die is rolled once. What is the probability of getting a prime number?
(A)
1/6
(B)
1/3
(C)
1/2
(D)
2/3
✅ Correct Answer: (C)
1/2
Explanation: Prime numbers on a die are 2, 3, and 5. Favorable outcomes = 3. Probability = 3/6 = 1/2.
Q. From a pack of cards, what is the probability of drawing a face card?
(A)
3/13
(B)
1/4
(C)
1/13
(D)
1/2
✅ Correct Answer: (A)
3/13
Explanation: Face cards are Jack, Queen, and King. Total face cards = 12. Probability = 12/52 = 3/13.
Q. What is the probability of getting an odd number on a single roll of a die?
(A)
1/6
(B)
1/3
(C)
1/2
(D)
2/3
✅ Correct Answer: (C)
1/2
Explanation: Odd numbers are 1, 3, and 5. Favorable outcomes = 3 out of 6. Probability = 1/2.
Q. A letter is chosen randomly from the word 'PROBABILITY'. What is the probability of selecting the letter 'B'?
(A)
1/11
(B)
2/11
(C)
3/11
(D)
1/10
✅ Correct Answer: (B)
2/11
Explanation: The word PROBABILITY has 11 letters, and 'B' appears 2 times. Probability = 2/11.
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