| 83218 | In a jar there are balls in different colors: blue, red, green… | Medium | |
| 83263 | A basket contains 5 blue, 5 red and 5 yellow marbles | Medium | |
| 83364 | A bag contains 6 red, 2 yellow and 4 green balls | Medium | |
| 83454 | WINK, Inc | Medium | |
| 83477 | A painter intends to mixed two jars of paint to create a… | Medium | |
| 83561 | In a lottery, there are 12 prizes and 30 blanks | Medium | |
| 83720 | A jar contains only red, yellow, and orange marbles | Medium | |
| 83761 | If 4 people are selected from a group of 8 married couples… | Medium | |
| 83809 | An urn contains g green marbles and b blue marbles | Medium | |
| 83886 | In a deck of cards there are 52 cards numbered from 1… | Medium | |
| 83916 | If X is to be chosen at random from the integers between… | Medium | |
| 83937 | In the xy-plane, a triangle has vertices (0,0), (4,0) and (4,6) | Medium | |
| 83955 | On Saturday morning, Malachi will begin a camping vacation and he will… | Medium | |
| 83992 | Mandrake has to choose from 4 from 14 people | Medium | |
| 83996 | A box contains 3 yellow balls and 7 black balls | Medium | |
| 84025 | In a apartment, 30% of the people speak English, 20% speak Hindi… | Medium | |
| 84082 | Seven cards numbered from 1 to 7 are placed in an empty… | Medium | |
| 84091 | A certain junior class has 1,200 students and a certain senior class… | Medium | |
| 84117 | A committee is composed of w women and m men | Medium | |
| 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 | |