| 53595 | A box contains 10 apples, 9 of which are red | Medium | |
| 53634 | Four 6 faced dice are thrown together | Medium | |
| 53647 | Martha has the unique talent of being able to guess other people’s… | Medium | |
| 53672 | The probability that event B occurs is 0.4, and the probability that… | Medium | |
| 53751 | Two unbiased coins are tossed | Medium | |
| 53768 | A license plate in the country Kerrania consists of four digits followed… | Medium | |
| 53817 | Four different objects 1,2,3,4 are distributed at random in four places marked… | Medium | |
| 53870 | If a fair coin is flipped seven times in a row, what… | Medium | |
| 53887 | What is the probability of rolling a total of 8 with a… | Medium | |
| 53898 | If a fair coin is tossed five times, what is the probability… | Medium | |
| 53899 | There are two men aged 30 and 36 years | Medium | |
| 53908 | Fifteen coins are tossed simultaneously | Medium | |
| 53960 | If a fair die is rolled twice, what is the probability that… | Medium | |
| 53982 | A dog breeder currently has 9 breeding dogs | Medium | |
| 54027 | What is the probability of finding exactly 33 multiples of 3 when… | Medium | |
| 54028 | What is the probability that a three digit number is divisible by… | Medium | |
| 54125 | 5 cats are about to jump on 5 different mice | Medium | |
| 54147 | C and D work at a hospital with 4 other workers | Medium | |
| 54192 | There are three secretaries who work for four departments | Medium | |
| 54224 | 7 letters have to be put into their 7 respective envelopes | Medium | |
| 54279 | A basket contains 3 blue, 3 red and 3 yellow marbles | Medium | |
| 54376 | Ashley and Vinny work on a sales staff with 8 other salespeople | Medium | |
| 54394 | A password for a computer uses nine digits from 0 to 9… | Medium | |
| 54414 | A = {10, 1, -3, 6, -8,-5} B = {-1, 2, -4… | Medium | |
| 54454 | A card is randomly drawn from a deck of 52 cards | Medium | |
| 54521 | A Jar of marble contains 6 yellow and 4 blue marbles, and… | Medium | |
| 54539 | A girl has exactly 6 quarters, 7 dimes, and 10 nickels in… | Medium | |
| 54542 | A division of a company consists of three men and seven women | Medium | |
| 54623 | If there are eight varieties of ice cream to be tasted and… | Medium | |
| 54631 | If ten persons sit in a row, then the probability that three… | Medium | |
| 54647 | If an integer w is to be chosen at random from the… | Medium | |
| 54691 | A box contains 12 mangoes out of which 4 are spoilt | Medium | |
| 54717 | In a box, there are 7 red, 3 blue and 5 green… | Medium | |
| 54744 | M = {-6, -5, -4, -3, -2, -1} T = {-5, -4… | Medium | |
| 54760 | How many randomly assembled people are needed to have a better than… | Medium | |
| 54785 | If six coins are flipped simultaneously, the probability of getting at least… | Medium | |
| 54795 | Set S consists of numbers 2, 3, 6, 48, and 164 | Medium | |
| 54796 | In a certain game, a player begins with a bag containing tiles… | Medium | |
| 54802 | A card is drawn at random from a pack of 52 cards | Medium | |
| 54808 | Jake remembers only the last three letters of his four-letter Klingon name | Medium | |
| 54837 | Seven cards numbered from 1 to 7 are placed in an empty… | Medium | |
| 54838 | If a number W between 0 and 1 is selected at random… | Medium | |
| 54878 | In a game, a player can win by getting five consecutive tails… | Medium | |
| 54882 | Set #1 = {J, K, L, M, E} Set #2 = {K… | Medium | |
| 54886 | What is the probability of getting exactly three heads on five flips… | Medium | |
| 54925 | From a group of 3 women and 3 girls, 4 are to… | Medium | |
| 54950 | The blood group of 200people is distributed as follows: 50 have A… | Medium | |
| 54991 | A fair coin is tossed 3 times | Medium | |
| 55004 | What is the probability that when a hand of 5 cards is… | Medium | |
| 55095 | A group of 7 students bought movie tickets in one row next… | Medium | |