| 84118 | A class consists of 100 students, 25 of them are girls and… | Medium | |
| 84128 | Denise is trying to open a safe whose combination she does not… | Medium | |
| 84132 | A business school club, Friends of Foam, is throwing a party at… | Medium | |
| 84150 | In a simultaneous throw of a pair of dice, find the probability… | Medium | |
| 84283 | In Rwanda, the chance for rain on any given day is 1/2 | Medium | |
| 84502 | A certain junior class has 1,000 students and a certain senior class… | Medium | |
| 84548 | On a windy day, out of every 3 sand dunes formed, only… | Medium | |
| 84583 | A fair coin is tossed repeatedly | Medium | |
| 84636 | There are 12 red shoes, 7 green shoes | Medium | |
| 84690 | Machine–A produces 40% of the total output and Machine-B produces 60% of… | Medium | |
| 84868 | An gun can take a maximum of four shotsat an enemyplane moving… | Medium | |
| 84992 | A box contains 12 apples, 11 of which are red | Medium | |
| 85002 | 2/5 of the fish in an aquarium are red and 1/4 of… | Medium | |
| 85033 | A number is selected at random from the first 30 natural numbers | Medium | |
| 85069 | If X is to be chosen at random from the integers between… | Medium | |
| 85084 | Mario and Nina each have a bag of marbles, each of which… | Medium | |
| 85171 | A bag contains 18 purple jellybeans, 14 green jellybeans, and 12 yellow… | Medium | |
| 85193 | A couple decides to have 6 children | Medium | |
| 85197 | 6/9 of the population of the country of Venezia lives in Montague… | Medium | |
| 85223 | A FIVE DIGIT NUMBER IS FORMED BY USING THE DIGITS 1,2,3,4 WITH… | Medium | |
| 85266 | A shipment of 8 television sets contains 2 black-and-white sets and 7… | Medium | |
| 85387 | Denise is trying to open a safe whose combination she does not… | Medium | |
| 85412 | Thurston wrote an important seven-digit phone number on a napkin, but the… | Medium | |
| 85422 | Out of 8 fruits in a basket, 2 are rotten | Medium | |
| 85443 | In a certain game, a player begins with a bag containing tiles… | Medium | |
| 85455 | Operation#is defined as adding a randomly selected two digit multiple of 4… | Medium | |
| 85507 | Out of a group of 10 contestants, 2 are to be selected… | Medium | |
| 85545 | A certain bag contains 60 balls — 22 white, 10 green, 7… | Medium | |
| 85660 | A bag consists of 20 marbles, of which 5 are blue, 7… | Medium | |
| 85744 | Suppose you flip a fair coin 8 times | Medium | |
| 85891 | Two representatives must be selected from each of two groups of students | Medium | |
| 85918 | On a ranch, a rancher can place a loop of rope, called… | Medium | |
| 85940 | The probability that event A occurs is 0.4, and the probability that… | Medium | |
| 85954 | A fair 2 sided coin is flipped 3 times | Medium | |
| 85972 | On a windy day, out of every 3 sand dunes formed, only… | Medium | |
| 86041 | A florist has 2 azaleas, 4 buttercups, and 6 petunias | Medium | |
| 86044 | A bag holds 4 red marbles and 5 green marbles | Medium | |
| 86062 | An exam consists of 7 true/false questions | Medium | |
| 86103 | Each factor of 230 is inscribed on its own plastic ball, and… | Medium | |
| 86156 | A committee is to be formed by randomly choosing 3 people from… | Medium | |
| 86402 | In a certain animal population, for each of the first 3 months… | Medium | |
| 86449 | If an integer n is to be chosen at random from the… | Medium | |
| 86462 | Two dice are rolled | Medium | |
| 86488 | Three coins are tossed | Medium | |
| 86587 | If a number between 10 and 30 (inclusive) at random | Medium | |
| 86624 | In a lottery, there are 11 prizes and 55 blanks | Medium | |
| 86625 | The probability of a team winning a match given Matt is playing… | Medium | |
| 86666 | On Saturday morning, Malachi will begin a camping vacation and he will… | Medium | |
| 86704 | In a series of football matches, the probability that Team P wins… | Medium | |
| 86767 | There are 14 slate rocks, 20 pumice rocks, and 10 granite rocks… | Medium | |