• Question: What are the odds of picking a red marble from a bag containing 5 red marbles and 3 blue marbles?
  Answer: 5/8 or 62.5%
• Question: If you flip a fair coin three times, what is the probability of getting heads exactly twice?
  Answer: 3/8 or 37.5%
• Question: In a standard deck of 52 cards, what’s the probability of drawing a heart or a spade?
  Answer: 26/52 or 50%
• Question: If you roll two fair six-sided dice, what’s the probability of rolling a sum of 7?
  Answer: 1/6 or approximately 16.67%
• Question: What are the chances of picking two consecutive green jellybeans from a jar containing 5 green, 3 red, and 2 yellow jellybeans?
  Answer: 5/10 * 4/9 = 20/90 or approximately 22.22%
• Question: If you randomly select a letter from the word “PROBABILITY”, what’s the probability it’s a vowel?
  Answer: 5/11 or approximately 45.45%
• Question: In a class of 30 students, what’s the probability that at least two students share the same birthday?
  Answer: Approximately 70%
• Question: If you roll a fair six-sided die twice, what’s the probability that both rolls result in an odd number?
  Answer: 1/2 or 50%
• Question: What’s the probability of drawing two cards from a standard deck without replacement and getting two aces?
  Answer: 4/52 * 3/51 = 1/221 or approximately 0.45%
• Question: If you randomly select a month, what’s the probability it has exactly 31 days?
  Answer: 7/12 or approximately 58.33%
• Question: What are the odds of rolling a total of 9 or higher with two fair six-sided dice?
  Answer: 10/36 or approximately 27.78%
• Question: In a bag containing 10 red marbles and 5 blue marbles, what’s the probability of picking a blue marble on the first draw and a red marble on the second draw without replacement?
  Answer: 5/15 * 10/14 = 50/210 or approximately 23.81%
• Question: If you randomly select a number from 1 to 20, what’s the probability it’s divisible by 3 or 5?
  Answer: 8/20 or 40%
• Question: What are the chances of flipping a coin four times and getting tails each time?
  Answer: 1/16 or 6.25%
• Question: If you randomly select a card from a standard deck, what’s the probability it’s a face card or a diamond?
  Answer: 16/52 or approximately 30.77%
• Question: In a group of 50 people, what’s the probability that at least two people have the same number of siblings?
  Answer: It’s difficult to determine without additional information.
• Question: What’s the probability of selecting a prime number from the first ten positive integers?
  Answer: 4/10 or 40%
• Question: If you randomly select a day of the week, what’s the probability it’s a weekday (Monday through Friday)?
  Answer: 5/7 or approximately 71.43%
• Question: What are the odds of rolling two fair six-sided dice and getting a sum greater than 10?
  Answer: 6/36 or 1/6 or approximately 16.67%
• Question: If you shuffle a standard deck of cards thoroughly and draw one card, what’s the probability it’s a red card?
  Answer: 26/52 or 50%

• What is the probability of rolling a prime number on a fair six-sided die?
• If you flip a fair coin twice, what is the probability of getting heads on both flips?
• If you have a bag with 5 red marbles, 3 blue marbles, and 2 green marbles, what is the probability of randomly selecting a blue marble?
• If you randomly select a card from a standard deck of 52 cards, what is the probability that it is a face card (jack, queen, or king)?
• What is the probability of drawing two consecutive aces from a standard deck of 52 cards without replacement?
• If you randomly select two numbers between 1 and 10 (inclusive), what is the probability that their sum is greater than 10?
• What is the probability of rolling a total of 7 with two fair six-sided dice?
• If you randomly select a letter from the word “PROBABILITY,” what is the probability that it is a vowel?
• What is the probability of flipping a fair coin and getting tails three times in a row?
• If you have a bag with 4 red balls and 6 blue balls, and you randomly select two balls without replacement, what is the probability that both balls are blue?
• What is the probability of getting a full house (three of a kind and a pair) in a single five-card poker hand?
• If you randomly select a month of the year, what is the probability that it has exactly 31 days?
• What is the probability of rolling an even number on a fair six-sided die?
• If you flip a fair coin three times, what is the probability of getting exactly two heads?
• If you randomly select a student from a class of 25 students, what is the probability that their birthday is in January?
• What is the probability of drawing a red card from a standard deck of 52 cards?
• If you randomly select three different numbers between 1 and 10 (inclusive), what is the probability that they are all odd?
• What is the probability of rolling a sum of 8 with two fair six-sided dice?
• If you randomly select a letter from the word “PROBABILITY,” what is the probability that it is a consonant?
• If you randomly select a card from a standard deck of 52 cards and then select another card without replacement, what is the probability that both cards are hearts?

Another Probability riddles

• If you roll two fair six-sided dice, what is the probability that the sum of the numbers rolled is a prime number?
• In a bag, there are 4 red marbles, 5 blue marbles, and 3 green marbles. What is the probability of randomly selecting a red or blue marble?
• If you randomly select a card from a standard deck of 52 cards, what is the probability that it is a spade?
• What is the probability of flipping a fair coin and getting heads at least once in two flips?
• If you randomly select a number between 1 and 20 (inclusive), what is the probability that it is a multiple of 3 or 5?
• In a class of 30 students, 18 are females and 12 are males. If a student is randomly selected, what is the probability that they are female?
• What is the probability of rolling a total of 9 with two fair six-sided dice?
• If you flip a fair coin three times, what is the probability of getting exactly one head?
• In a bag, there are 7 black balls and 5 white balls. If you randomly select two balls without replacement, what is the probability that both balls are black?
• If you randomly select a month of the year, what is the probability that it has exactly 30 days?
• What is the probability of drawing a face card (jack, queen, or king) from a standard deck of 52 cards?
• If you roll a fair six-sided die twice, what is the probability that the sum of the numbers rolled is greater than 7?
• If you randomly select a letter from the word “PROBABILITY,” what is the probability that it is a consonant?
• In a bag, there are 3 red balls, 4 blue balls, and 5 green balls. What is the probability of randomly selecting a green or blue ball?
• What is the probability of flipping a fair coin and getting tails three times in a row?
• If you randomly select a card from a standard deck of 52 cards, what is the probability that it is a face card or a diamond?
• In a group of 25 people, 15 are older than 30 years and 10 are younger than 30 years. If a person is randomly selected, what is the probability that they are older than 30 years?
• What is the probability of rolling an odd number on a fair six-sided die?
• If you randomly select two different numbers between 1 and 10 (inclusive), what is the probability that their sum is even?
• In a bag, there are 6 red balls and 4 blue balls. If you randomly select two balls with replacement, what is the probability that both balls are red?

• If you flip a fair coin four times, what is the probability of getting exactly two heads?
• In a bag, there are 8 red marbles, 6 blue marbles, and 4 green marbles. What is the probability of randomly selecting a red or green marble?
• If you randomly select a card from a standard deck of 52 cards, what is the probability that it is a heart or a diamond?
• What is the probability of rolling a total of 10 with two fair six-sided dice?
• If you flip a fair coin five times, what is the probability of getting at least three tails?
• In a bag, there are 5 black balls and 7 white balls. If you randomly select two balls without replacement, what is the probability that both balls are white?
• If you randomly select a month of the year, what is the probability that it has exactly 28 days?
• What is the probability of drawing a spade from a standard deck of 52 cards?
• In a group of 40 people, 20 are females and 20 are males. If a person is randomly selected, what is the probability that they are male?
• What is the probability of rolling a prime number on a fair ten-sided die?
• If you randomly select a letter from the word “PROBABILITY,” what is the probability that it is a vowel or a consonant?
• In a bag, there are 3 red balls, 5 blue balls, and 4 green balls. What is the probability of randomly selecting a red or blue ball?
• If you roll a fair six-sided die three times, what is the probability that at least one roll results in a 3?
• If you randomly select a card from a standard deck of 52 cards, what is the probability that it is a face card and a heart?
• In a bag, there are 7 red balls and 5 blue balls. If you randomly select two balls without replacement, what is the probability that the first ball is red and the second ball is blue?
• What is the probability of flipping a fair coin and getting heads four times in a row?
• If you randomly select a number between 1 and 30 (inclusive), what is the probability that it is a multiple of 4 or 5?
• In a bag, there are 6 red balls, 4 blue balls, and 2 green balls. What is the probability of randomly selecting a green ball?
• What is the probability of drawing a black card from a standard deck of 52 cards?
• If you randomly select two different numbers between 1 and 20 (inclusive), what is the probability that their product is greater than 100?

Getting over with Probability riddles

• If you flip a fair coin three times, what is the probability of getting exactly two tails?
• In a bag, there are 10 red marbles, 8 blue marbles, and 6 green marbles. What is the probability of randomly selecting a blue or green marble?
• If you randomly select a card from a standard deck of 52 cards, what is the probability that it is a club or a spade?
• What is the probability of rolling a total of 11 with two fair six-sided dice?
• If you flip a fair coin four times, what is the probability of getting at least one head?
• In a bag, there are 6 black balls and 9 white balls. If you randomly select two balls without replacement, what is the probability that both balls are black?
• If you randomly select a month of the year, what is the probability that it has exactly 29 days?
• What is the probability of drawing a diamond from a standard deck of 52 cards?
• In a group of 50 people, 25 are females and 25 are males. If a person is randomly selected, what is the probability that they are female?
• What is the probability of rolling a prime number on a fair twelve-sided die?
• If you randomly select a letter from the word “PROBABILITY,” what is the probability that it is a vowel and not a consonant?
• In a bag, there are 4 red balls, 7 blue balls, and 5 green balls. What is the probability of randomly selecting a blue or green ball?
• If you roll a fair six-sided die four times, what is the probability that at least one roll results in a 6?
• If you randomly select a card from a standard deck of 52 cards, what is the probability that it is a face card or a club?
• In a bag, there are 8 red balls and 6 blue balls. If you randomly select two balls without replacement, what is the probability that the first ball is blue and the second ball is red?
• What is the probability of flipping a fair coin and getting tails three times in a row?
• If you randomly select a number between 1 and 40 (inclusive), what is the probability that it is a multiple of 3 or 7?
• In a bag, there are 5 red balls, 4 blue balls, and 3 green balls. What is the probability of randomly selecting a green ball?
• What is the probability of drawing a red card from a standard deck of 52 cards?
• If you randomly select two different numbers between 1 and 25 (inclusive), what is the probability that their sum is less than 10?