| 78615 | A man can hit the target once in four shots | Medium | |
| 78629 | Two unbiased coin are tossed | Medium | |
| 78659 | A password of a computer used seven digits where they are from… | Medium | |
| 78742 | From a group of 7 men and 6 women, five persons are… | Medium | |
| 78749 | Set A: {1, 3, 4, 6, 9, 12, 15} If three numbers… | Medium | |
| 78762 | The probability is 1/2 that a certain coin turns up heads on… | Medium | |
| 78766 | A basket contains 5 apples, of which 1 is spoiled and the… | Medium | |
| 78811 | There are 9 magazines lying on a table; 4 are fashion magazines… | Medium | |
| 78881 | If 40 people get the chance to pick a card from a… | Medium | |
| 78882 | If a randomly selected non-negative single digit integer is added to {2… | Medium | |
| 78909 | The probability that B can shoot a target two out of two… | Medium | |
| 78917 | Seven unbiased coin are tossed | Medium | |
| 78965 | 4 dices are thrown at the same time | Medium | |
| 78988 | A box contains 20 machine parts, 5 of them being standard | Medium | |
| 79107 | In a box carrying one dozen of oranges, one-third have become bad | Medium | |
| 79140 | There is a 20% chance that Ella will visit Finland this year… | Medium | |
| 79150 | Martha has the unique talent of being able to guess other people’s… | Medium | |
| 79207 | Set #1 = {A, B} Set #2 = {K, L, M, N… | Medium | |
| 79211 | A box contains nine light out of which 4 are defective | Medium | |
| 79219 | 20 throws of a die produces following results SCORE -- NUMBER OF… | Medium | |
| 79223 | Given a spinner with four sections of equal size labeled R, B… | Medium | |
| 79243 | In a series of four football matches between Germany and Argentina … | Medium | |
| 79252 | A division of a company consists of four men and six women | Medium | |
| 79281 | Number N is randomly selected from a set of all primes between… | Medium | |
| 79479 | A retailer sells products that belong to different categories, A to F… | Medium | |
| 79522 | A teacher will pick a group of 4 students from a group… | Medium | |
| 79537 | As a treat for her two crying children, a mother runs to… | Medium | |
| 79548 | A = {0, 1, -3, 6, -8, 20, 4} B = {-1… | Medium | |
| 79549 | A bag contains 7 red and 3 green balls | Medium | |
| 79561 | Annie has 100 cards numbered 1 through 100 | Medium | |
| 79629 | What is the probability of flipping a fair coin four times and… | Medium | |
| 79644 | There are three secretaries who work for four departments | Medium | |
| 79657 | An MBA admissions committee is to be formed randomly from 6 second… | Medium | |
| 79662 | If x is to be chosen at random from the set {1… | Medium | |
| 79680 | In a bag, there are 10 discs, numbered 1 to 10 (no… | Medium | |
| 79755 | A teacher will pick a group of 5 students from a group… | Medium | |
| 79790 | What is the probability of tossing a coin five times and having… | Medium | |
| 79820 | What is the probability of flipping a fair coin four times and… | Medium | |
| 79860 | If you select two cards from a pile of cards numbered 1… | Medium | |
| 79990 | A bag contains 3 blue and 5 white marbles | Medium | |
| 80145 | The set S consists of 5 numbers: {1,2,3,4,5} | Medium | |
| 80166 | Jack, Jill, and Sandy each have one try to make a basket… | Medium | |
| 80170 | If four cards are drawn at random from a well shuffled pack… | Medium | |
| 80179 | Johnson has a corporate proposal | Medium | |
| 80181 | From a pack of cards two cards are drawn one after the… | Medium | |
| 80189 | An ant and a blind spider are on opposite corners of a… | Medium | |
| 80360 | A circular dartboard of radius 1 foot is at a distance of… | Medium | |
| 80364 | Three pairs of siblings, each pair consisting of one girl and one… | Medium | |
| 80386 | Kurt, a French painter, has 9 jars of paint: 4 jars of… | Medium | |
| 80390 | 100 identical coins each with probability "p" showing up heads & tossed | Medium | |