Practice Probability Questions and Answers

• "A box contains 54 rubber bands in three colors: Red, Green, and Yellow. The probability of picking a green rubber band is (1/3), and the number of yellow ...
• A class has 28 students, including 8 girls and the …… boys. If …… girls leave the class, the probability of randomly selecting a boy becomes 5/6. W...
• In a bag, there are 7 red balls, 5 black balls, and 9 green balls. If two balls are selected at random, what is the likelihood of picking one red ball and ...
• A bag contains 3 white balls , 5 blue balls , and 8 red balls . One ball is picked randomly from the bag and discarded. What is the probability...
• A bag contains 5 red balls, 4 green balls, and 3 yellow balls. Two balls are drawn randomly. What is the probability that both are of the same color?
• A box contains 10 red balls, 12 green balls, and 8 blue balls. Two balls are drawn at random. What is the probability that both balls drawn are either red ...
• In a class of 30 students, 18 students like mathematics, 15 like science, and 8 like both subjects. What is the probability that a randomly selected studen...
• A box contains 8 red, 5 green, and 7 blue balls. Two balls are drawn at random without replacement. What is the probability that both balls drawn are of di...
• A box contains 6 red balls, 5 green balls, and 4 blue balls. Two balls are drawn at random. What is the probability that one ball is red and the other is b...
• A bag holds 12 pink balls and 13 white balls. If two balls are randomly drawn from the bag, what is the probability that the two balls are of different col...
• A box contains (x + 3) black balls, 6 yellow balls, and 5 orange balls. If two balls are selected at random and the probability of selecting two orange bal...
• Ajith engages in a game where he simultaneously tosses three coins and rolls a pair of dice. To win, he must achieve two outcomes: all three coins must lan...
• A bag holds a total of 7 balls, consisting of 3 red balls and 4 black balls. If two balls are randomly drawn from the bag without replacement, what is the ...
• A bag contains a certain number of fruits of three varieties: apple, orange, and banana. The total number of apples and oranges is 13, which is 5 more than...
• In a bag, there are 5 red balls, 6 green balls, and 9 blue balls. If two balls are drawn at random without replacement, what is the probability that both b...
• In a box, there are 6 red balls, 8 green balls, and 10 blue balls. If one ball is drawn at random, what is the probability that the ball drawn is either re...
• Max has a 1/4 chance of failing his Quant test and a 4/5 chance of passing his Reasoning test. What is the probability that he fails exactly one of the two...
• If two dice are rolled simultaneously, what is the probability that the sum of the numbers on the two dice is greater than or equal to 10?
• A student is required to select 4 questions to attempt from a set of 10 questions. How many different ways can the student make this selection?
• A box contains 6 red balls, 4 blue balls, and 5 green balls. If two balls are drawn at random, what is the probability that one is red and the other is blu...
• A box contains 5 red, 4 blue, and 6 green balls. Two balls are drawn at random. What is the probability that both balls are green?
• In a deck of 52 cards, what is the probability of drawing either a king or a heart?
• A bag contains 7 blue balls, 3 red balls, and the rest are black balls. The probability of drawing a black ball from the bag is 4/9. How many black balls a...
• Rohan divided a two-digit number by '7', what is the probability that the remainder obtained is a prime number?
• A company wants to pack 144 small boxes, 216 medium boxes, and 288 large boxes into cartons such that each carton contains the same number of boxes of each...
• A bag contains 4 red balls, 5 blue balls, and 3 green balls. Two balls are drawn randomly. What is the probability that both are blue?
• A bag contains 5 red balls, 6 blue balls, and 9 green balls. Two balls are drawn at random without replacement. What is the probability that both balls are...
• A bag contains 5 red balls, 7 blue balls, and 8 green balls. Two balls are drawn at random. What is the probability that both balls drawn are of the same c...
• A box contains 6 red, 5 green, and 4 blue balls. Two balls are drawn randomly. What is the probability that they are of different colors?
• From a well-shuffled deck of 52 cards, two cards are drawn one after the other without replacement. What is the probability that the first card is a red ac...
• A bag contains 4 red balls, 5 blue balls, and 6 green balls. Two balls are drawn at random. What is the probability that both balls are of the same color?
• A number is chosen at random from first 20 natural numbers. Find the probability that the chosen number is prime.
• A bag contains 5 red balls, 4 blue balls, and 3 green balls. If three balls are drawn randomly, what is the probability that all three balls are of differe...
• A bag contains (K - 2) red balls, 8 black balls, and 14 blue balls. If two balls are drawn randomly, the probability that both are black is 2/27. Calculate...
• A bag contains 3 blue, 2 green, and 5 black pens. If five pens are selected randomly, what is the probability that exactly two are green and three are blac...
• A box contains 5 white, 6 green, 3 red, and 5 yellow marbles. If three marbles are chosen randomly, what is the probability that all three selected marbles...
• A bag holds 'a' red bands and 5 green bands. If two bands are drawn sequentially at random without replacement, the probability that both selected bands ar...
• A box contains Z black balls and 7 white balls. If two balls are drawn at random, one after another without replacement, and the probability of drawing bot...
• A container holds A orange balls and 8 brown balls. If two balls are picked randomly without replacement, and the probability of both being orange is 1/3, ...
• A bag contains B red balls and 9 purple balls. If two balls are drawn at random, one after the other without replacement, and the probability of drawing bo...