Practice Probability Questions and Answers

• A card is drawn randomly from a collection of total face cards. What is the probability that the drawn card is a jack?
• In a purse, there are 3 two-rupee coins and 4 five-rupee coins. If you randomly select 4 coins from the purse, what is the probability that you will choose...
• In a game, there are 12 cards, 5 of which are red and the rest are blue. If 2 cards are drawn at random, the question is to determine the probability that ...
• Three cards are drawn one after another with replacements from a pack of cards. What is the probability of getting the first card a Jack, the second card a...
• Three persons. A, B and C. are given the same puzzle to solve. The probability that A, B and C will solve the puzzle is. 3/5., 2/3., and 1/4respectively. F...
• A card is drawn randomly from a collection of total face cards. What is the probability that the drawn card is a Queen?
• R goes to the gym either by cycle, car, or walking. On a specific day, the probability of him going by car is 0.3 less than the probability of walking and ...
• There are 30 cars standing in a parking lot which consist of silver, grey and white cars. The number of grey and white cars are equal, and the number of si...
• A contains X green Balls, '7 Red Balls, and 5 Yellow Balls. The probability to pick Green Ball at random is 3/5. Another Bag B contains ‘6 green Balls, �...
• In an examination, there are three sections namely Reasoning, Math, and English. The reasoning part contains 7 questions. There are 4 questions in the math...
• A box contains only three colors of balls- red, green, and blue. What is the minimum number of balls that should be picked from the box to ensure that at l...
• Atul and Bhuvan play a game where each is asked to select a number from 1 to 9. If the two numbers same, both win a prize. The probability that they will n...
•  A box contains 12 yellow marbles, ‘x’ blue marbles and 12 white marbles. A box contains 5 yellow marbles, 2 blue marbles and 3 white marbles. The pro...
• A jar contains 54 marbles each of which is blue green or white. The probability of selecting a blue marble at random from the jar is 1/3 and the probabilit...
• A bag contains cards which are numbered from 2 to 90. A card is drawn at random from the bag. Find the probability that the card number is a perfect square...
• Find the probability that a number selected at random from first hundred number is a multiple of 3 or 5? 
• Two Dice are thrown simultaneously. Find the probability that the number on the first dice is more than the number of 2nd Dice.
• A person can hit a target 3 times out of 8 shots. If he fires 10 shots, what is the probability that he will hit the target twice ...
• In a cricket world cup the probability that India will win the cup is ¼. The Probability of Pakistan winning the cup is 1/5 and Australia winning the cup ...
• A box contains 21 ribbons out of which [A] ribbons are white, and rest is green in colour. The probability of drawing a white ribbon and a green ribbon tog...
• what is the probability that at least one of them narrates an incident truthfully.
• The profit from sales, amounting to Rs. 4,200, is distributed between two salesmen, 'Amit' and 'Bheem,' in such a way that 'Amit' receives more money than ...
• A student is required to answer 4 questions out of 12 questions in an English paper, which are divided into two sections of 6 questions each. If the studen...
• Mohit is a teacher and he teach some students in two (Morning & evening) slots. There are 5 boys and ‘x’ girls in morning slot, while there are ‘x’...
• There are 'x' one-rupee coins, 'x + 5' two-rupee coins, and 'x - 5' five-rupee coins in a purse. Two coins are drawn from the purse without replacement, an...
• "A piggy bank comprises 5-rupee coins, 10-rupee coins, and 20-rupee coins. The quantity of 5-rupee coins in the piggy bank is 75% more than the number of 2...
• The probability of selecting 2 one-rupee coins from a collection of 'a' one-rupee coins and 4 two-rupee coins is 1/3. Determine the probability of randomly...
• A person wanted to visit four places Chennai, Bangalore, Delhi, and Mumbai in one trip. Find the probability of the person visiting Chennai immediately bef...
• There are thirty balls in my cupboard in complete disarray. Ten are black, ten are red and ten are brown, but I cannot distinguish the colors in the dark. ...
• All the sides of a 3-inch solid cube are painted. The cube is then cut into cubes of equal size to 1 inch each. If a cube is chosen at random, what is the ...
• A bowl contains 9 blue balls, 7 white, and 5 black balls. If 2 balls are drawn in one go, then the probability of exactly one ball being blue is:
• In a box, there are three different colour cubes: blue, green, and orange. The sum of the number of green and blue cubes in the box equals the number of or...
• A box holds a total of 'p' purple balls and 5 silver balls. Two balls are drawn sequentially without replacement. The probability that both selected balls ...
• In a Polly bag, the distribution of red, white, and yellow rubber bands is in the ratio 7:3:8. Suppose the yellow rubber bands were reduced by 35 and the r...
• A container holds 15 orange, 9 purple, and 6 gray balls. If 2 balls are picked at random without replacement, find the probability that the first ball is o...
• A basket contains 8 pink, 12 violet, and 5 indigo balls. If 2 balls are picked at random without replacement, find the probability that the first ball is p...
• The likelihood that Maya secures a place in college D is 90% and in college E is 85%. Maya's order of preference is 'D', then 'E', and finally 'F'. Assumin...
• Karan has a 65% chance of being admitted to school L and a 55% chance at school M. His preferences are 'L', then 'M', and lastly 'N'. Assuming Karan gets i...
• The probability that Leah will be accepted into program P is 60% and into program Q is 40%. Leah prefers program 'P' first, then 'Q', and finally 'R'. Assu...
• A bag contains 12 blue balls, 18 red balls, and 20 green balls. One ball is drawn at random. Find the probability that the ball drawn is either blue or gre...