Probability
20 Questions
Practice Problems
Probability Interview Questions
20 Questions
Probability
What is the probability of getting a head when a fair coin is tossed once?
Answer: 1/2 Favorable outcomes = 1, Total outcomes = 2. Probability = 1/2.
What is the probability of rolling a 4 on a fair six-sided die?
Answer: 1/6 Only one favorable outcome out of six possible outcomes.
A card is drawn from a standard deck of 52 cards. What is the probability of drawing an Ace?
Answer: 1/13 There are 4 Aces in a deck of 52 cards. Probability = 4/52 = 1/13.
What is the probability of getting an even number on a die?
Answer: 1/2 Even numbers are 2, 4, and 6. Probability = 3/6 = 1/2.
Two coins are tossed. What is the probability of getting two heads?
Answer: 1/4 Possible outcomes: HH, HT, TH, TT. Only HH is favorable.
A bag contains 5 red and 3 blue balls. What is the probability of drawing a red ball?
Answer: 5/8 Total balls = 8. Probability = 5/8.
What is the probability of drawing a King from a deck of cards?
Answer: 1/13 There are 4 Kings in 52 cards. Probability = 4/52 = 1/13.
What is the probability of getting a number greater than 4 on a die?
Answer: 1/3 Numbers greater than 4 are 5 and 6. Probability = 2/6 = 1/3.
A box contains 7 green and 5 yellow balls. What is the probability of selecting a yellow ball?
Answer: 5/12 Total balls = 12. Probability = 5/12.
What is the probability of getting at least one head when two coins are tossed?
Answer: 3/4 Possible outcomes: HH, HT, TH, TT. Favorable outcomes = 3.
A card is drawn from a deck. What is the probability of drawing a heart?
Answer: 1/4 There are 13 hearts in 52 cards. Probability = 13/52 = 1/4.
What is the probability of getting a multiple of 3 on a die?
Answer: 1/3 Multiples of 3 are 3 and 6. Probability = 2/6 = 1/3.
A bag contains 4 white, 3 black, and 3 red balls. What is the probability of drawing a black ball?
Answer: 3/10 Total balls = 10. Probability = 3/10.
What is the probability of getting a tail when a coin is tossed?
Answer: 1/2 One favorable outcome out of two possible outcomes.
A card is drawn from a deck. What is the probability of drawing a face card?
Answer: 3/13 Face cards are J, Q, K. Total face cards = 12. Probability = 12/52 = 3/13.
What is the probability of getting an odd number on a die?
Answer: 1/2 Odd numbers are 1, 3, and 5. Probability = 3/6 = 1/2.
Three coins are tossed. What is the probability of getting exactly two heads?
Answer: 3/8 Possible favorable outcomes: HHT, HTH, THH. Total outcomes = 8.
A bag contains 10 balls numbered 1 to 10. What is the probability of drawing a prime number?
Answer: 2/5 Prime numbers are 2, 3, 5, 7. Probability = 4/10 = 2/5.
What is the probability of drawing a red card from a deck?
Answer: 1/2 There are 26 red cards in 52 cards. Probability = 26/52 = 1/2.
A die is rolled. What is the probability of getting a number less than 5?
Answer: 2/3 Numbers less than 5 are 1, 2, 3, and 4. Probability = 4/6 = 2/3.