| 68765 | In a survey of 350 employees, 104 of them are uninsured, 54… | Medium | |
| 68858 | A coin is tossed 4 times | Medium | |
| 68892 | If 4 people are selected from a group of 7 married couples… | Medium | |
| 69157 | On a baseball team, 5 players including Alice want to play 1st… | Medium | |
| 69256 | In a single throw of a die what is the probability of… | Medium | |
| 69268 | A box contains 9 pairs of shoes (18 shoes in total) | Medium | |
| 69298 | In a box of 9 pens, a total of 3 are defective | Medium | |
| 69348 | Johnson has a corporate proposal | Medium | |
| 69356 | Mario and Nina each have a bag of marbles, each of which… | Medium | |
| 69463 | While playing a certain dice game, Chris wins if the sum of… | Medium | |
| 69514 | There is a 5% chance that Tigers will not win at all… | Medium | |
| 69519 | Out of a classroom of 6 boys and 5 girls, the teacher… | Medium | |
| 69527 | A dice has one of the first 5 prime number on each… | Medium | |
| 69537 | If you roll one fair six-sided die, what is the probability that… | Medium | |
| 69586 | A basket has 5 apples and 5 oranges | Medium | |
| 69594 | There is a 10% chance that Tigers will not win at all… | Medium | |
| 69604 | If two balls are randomly selected from a green urn containing 8… | Medium | |
| 69737 | An integer n between 1 and 99, inclusive, is to be chosen… | Medium | |
| 69839 | The probability that a brand A widget is defective is x, the… | Medium | |
| 69885 | A box contains 4 black, 3 red and 6 green marbles | Medium | |
| 69903 | Three students appear at an examination of Mathematics | Medium | |
| 69976 | A class consists of 100 students, 25 of them are girls and… | Medium | |
| 69981 | In a box, there are 3 blue, 4 white and 6 yellow… | Medium | |
| 70141 | On his drive to work, Leo listens to one of three radio… | Medium | |
| 70251 | 80 percent of the members of a study group are women, and… | Medium | |
| 70383 | A certain manufacturer of cake, muffin, and bread mixes has 100 buyers… | Medium | |
| 70617 | Mario and Nina each have a bag of marbles, each of which… | Medium | |
| 70623 | There are 12 balls in a jar: 6 red, 2 blue and… | Medium | |
| 70650 | In a lottery there are 100 prizes and 300 blanks | Medium | |
| 70791 | n is an integer chosen at random from the set {5, 7… | Medium | |
| 70867 | A committee is to be formed by randomly choosing 5 people from… | Medium | |
| 70964 | A bag contains 5 green and 8 white balls | Medium | |
| 70992 | In a group of 800 people, 1/5 play at least one instrument… | Medium | |
| 71020 | A searchlight on top of the watchtower makes 2 revolutions per minute | Medium | |
| 71115 | A florist has 2 azaleas, 3 buttercups, and 5 petunias | Medium | |
| 71189 | Out of 7 people working on a project, 4 are graduates | Medium | |
| 71284 | A committee is to be formed by randomly choosing 3 people from… | Medium | |
| 71294 | If a number is chosen at random from the set {1, 2… | Medium | |
| 71361 | If a real number x is chosen at random in the interval… | Medium | |
| 71376 | John and David work at a hospital with 8 other workers | Medium | |
| 71382 | If two of the four expressions x + y , x +… | Medium | |
| 71387 | A bag contains 6 red, 3 yellow and 4 green balls | Medium | |
| 71425 | A bag contains 6 black and 6 white balls | Medium | |
| 71511 | A bag contains 3 red, 5 yellow and 7 green balls | Medium | |
| 71557 | Two brothers Ram and Ravi appeared for an exam | Medium | |
| 71620 | If you roll one fair six-sided die, what is the probability that… | Medium | |
| 71665 | A coin is weighted so that the probability of heads on any… | Medium | |
| 71673 | Out of 8 persons working on a project, 4 are graduates | Medium | |
| 71708 | The probability that a visitor at the mall buys a pack of… | Medium | |
| 71761 | A shipment of 240 smartphones contains 84 that are defective | Medium | |