Probability Interview Questions

    Question 1Multiple of 3 or 5 Probability

    Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

    Question 2Card Selection from Standard Deck

    A card is drawn at random from a standard deck of 52 cards. What is the probability that the card drawn is either a king or a spade?

    Question 3Two Dice Probability

    Two dice are thrown simultaneously. What is the probability that the sum of the numbers on the dice is 7?

    Question 4Drawing Balls from a Bag

    A bag contains 4 red balls, 3 blue balls, and 2 green balls. One ball is drawn at random. What is the probability that the ball drawn is not red?

    Question 5Coin Toss Probability

    A coin is tossed three times. What is the probability of getting at least two heads?

    Question 6Committee Selection Probability

    From a group of 5 men and 4 women, a committee of 3 people is selected at random. What is the probability that the committee contains exactly 2 men?

    Question 7Drawing Cards Without Replacement

    Two cards are drawn from a deck of 52 cards without replacement. What is the probability that both cards are aces?

    Question 8Drawing Colored Balls Probability

    A bag contains 5 red balls and 3 blue balls. If 2 balls are drawn at random without replacement, what is the probability that both balls are red?

    Question 9Conditional Probability with Dice

    A die is rolled twice. Given that the sum is 8, what is the probability that the first roll was 3?

    Question 10Independent Events Probability

    The probability that A can solve a problem is 2/3 and the probability that B can solve the same problem is 3/4. What is the probability that the problem is solved if both attempt it independently?