| 19823 | From a Group of 8 People, Including Gary and Nina, 3 people… | Medium | |
| 19835 | If # is an operation which results in adding the digits of… | Medium | |
| 19848 | There are 8 disks in a container that are numbered 23, 24… | Medium | |
| 19877 | Ram draws a card randomly among card 1-23 and keep it back | Medium | |
| 19880 | Tom can hit a target 3 times in 6 shots, Marry can… | Medium | |
| 19883 | In a certain lottery, the probability that a number between 12 and… | Medium | |
| 19915 | If two letters are chosen at random (without replacement) from the word… | Medium | |
| 19957 | AMS employs 7 professors on their staff | Medium | |
| 19958 | Jegan has 10 pairs of shoes; each pair is a different color | Medium | |
| 20039 | Two letters from the word MYANTKAR are selected at random | Medium | |
| 20106 | Of the 20 members of a kitchen crew, 17 can use the… | Medium | |
| 20150 | A bag contains 5 white marbles and 5 red marbles | Medium | |
| 20208 | A coin is flipped twice.What is the probability that both flips result… | Medium | |
| 20212 | Circles X and Y are concentric | Medium | |
| 20278 | What is the probability that when a hand of 6 cards is… | Medium | |
| 20284 | A couple has two children, one of whom is a girl | Medium | |
| 20348 | Each of seven different locks has a matching key | Medium | |
| 20372 | Out of 15 students in a class, 9 are wearing blue shirts… | Medium | |
| 20417 | A coin is tossed live times | Medium | |
| 20494 | A basket has 6 apples and 6 oranges | Medium | |
| 20513 | Two unbiased coins are tossed | Medium | |
| 20542 | A jar holds 10 pink candies and 30 yellow candies | Medium | |
| 20547 | a,b,c,d,e,f,g sitting in a row what is the probability that a &… | Medium | |
| 20566 | If 2 cards are selected at random from the deck of 52… | Medium | |
| 20568 | Compute the probability that two random integers, independently chosen and both taking… | Medium | |
| 20594 | There are 2 available positions and 50 candidates, one half of whom… | Medium | |
| 20606 | A box contains 100 balls, numbered from 1 to 100 | Medium | |
| 20613 | A small, experimental plane has three engines, one of which is redundant | Medium | |
| 20640 | 8 couples (husband and wife) attend a dance show "Nach Baliye' in… | Medium | |
| 20648 | S = { 1,2,4,5,6} T = { 4,5,6,8,12,10,7,14 } what is the… | Medium | |
| 20662 | A boy and a girl appear for an interview against 2 vacant… | Medium | |
| 20717 | A seven-digit combination lock on a safe has zero exactly three times… | Medium | |
| 20728 | What is the probability of rolling one six-sided dice, and getting a… | Medium | |
| 20737 | If x is chosen at random from the set {1, 2, 3… | Medium | |
| 20754 | A box contains 10 black,5 red and 4 green marbles | Medium | |
| 20801 | A box contains 3 blue marbles, 4 red, 6 green marbles and… | Medium | |
| 20802 | In a bag, there are six 6-sided dice (numbered 1 to 6)… | Medium | |
| 20820 | A basketball team comprising of 5 players decides to get ice cream… | Medium | |
| 20856 | Four people are on an elevator that stops at exactly 4 floors | Medium | |
| 20912 | A bakery currently has 5 pies and 6 cakes in its inventory | Medium | |
| 20966 | The events A and B are independent | Medium | |
| 21056 | A division of a company consists of seven men and five women | Medium | |
| 21131 | There are 5 physics books and 1 chemistry book on shelf P… | Medium | |
| 21153 | Given two sets A = {1,1,4,4,5,5} and B = {0,1}, if one… | Medium | |
| 21163 | An urn contains 4 white 6 black and 8 red balls | Medium | |
| 21232 | An gun can take a maximum of four shots at an enemy… | Medium | |
| 21235 | What is the probability that a leap year has 53 Sundays and… | Medium | |
| 21242 | If # is an operation which results in adding the digits of… | Medium | |
| 21303 | What is the probability of getting a sum 9 from two throws… | Medium | |
| 21434 | John, a painter, has 9 jars of paint: 4 are white, 2… | Medium | |