| 70207 | If nine persons sit in a row, then the probability that three… | Medium | |
| 70210 | On his drive to work, Leo listens to one of three radio… | Medium | |
| 70221 | When 4 dice are thrown, what is the probability that the same… | Medium | |
| 70228 | For 6-digit integer 46x,y12, when x and y are drawn at random… | Medium | |
| 70240 | Two representatives must be selected from each of two groups of students | Medium | |
| 70247 | The odds against ram solving the problem are 7 to 3 and… | Medium | |
| 70262 | A word consists of 9 letters; 5 consonants and 4 vowels.Three letters… | Medium | |
| 70336 | A bag contains 10 red jellybeans and 10 blue jellybeans | Medium | |
| 70343 | A bag contains 12 white and 18 black balls.Two balls are drawn… | Medium | |
| 70380 | If 3 cards are selected at random from the deck of 52… | Medium | |
| 70400 | If p^2 – 13p + 40 = h, and p is a… | Medium | |
| 70410 | A certain club has 10 members, including Harry | Medium | |
| 70423 | Four hundred multiples of seven are chosen at random, and 100 multiples… | Medium | |
| 70513 | On his drive to work, Leo listens to one of three radio… | Medium | |
| 70524 | If a fair coin is tossed six times, what is the probability… | Medium | |
| 70525 | If an integer r is to be chosen at random from the… | Medium | |
| 70539 | Tommy makes a bet that a coin will land on heads 2… | Medium | |
| 70581 | Two dice are tossed | Medium | |
| 70603 | Cara and Dan will throw three dice each | Medium | |
| 70658 | A telephone number contains 10 digit, including a 3-digit area code | Medium | |
| 70822 | 10 t-shirts are available to choose | Medium | |
| 70893 | In a series of eight football matches between Germany and Argentina … | Medium | |
| 70930 | A randomly selected sample population consists of 60% women and 40% men | Medium | |
| 70938 | 100 identical coins, each with probability P of showing 'heads' are tossed… | Medium | |
| 70975 | When tossed, a certain coin has equal probability of landing on either… | Medium | |
| 71048 | Three dice are rolled | Medium | |
| 71084 | Three numbers are randomly selected, with replacement, from the set of integers… | Medium | |
| 71103 | A pack of 52 playing cards, 2 cards aredrawn together at random | Medium | |
| 71128 | Two dice are rolled | Medium | |
| 71134 | What is the probability that Terry and Tim will get selected for… | Medium | |
| 71204 | When two dice are rolled, what is the probability that the difference… | Medium | |
| 71224 | Two dice are thrown simultaneously | Medium | |
| 71280 | A father purchased dress for his 3 daughters | Medium | |
| 71300 | 3 houses are available in a new flat | Medium | |
| 71307 | A box contains 4 red, 3 white and 2 blue balls | Medium | |
| 71312 | When you draw 2 dices together, find the probability of getting numbers… | Medium | |
| 71374 | There are two bags A and B | Medium | |
| 71418 | What is the probability of flipping a fair coin four times and… | Medium | |
| 71437 | A box contains 100 balls, numbered from 1 to 100 | Medium | |
| 71445 | Tom and Marry each have a bag of marbles, each of which… | Medium | |
| 71512 | A group of 6 students bought movie tickets in one row next… | Medium | |
| 71519 | Peter must choose a lab partner by picking a name out of… | Medium | |
| 71542 | x, y, and z are all unique numbers | Medium | |
| 71551 | A man & his wife appear in an interview for 2 vacancies… | Medium | |
| 71570 | In a box of 11 pencils, a total of 2 are defective | Medium | |
| 71586 | Attorneys are questioning 11 potential jurors about their ability to serve on… | Medium | |
| 71638 | In a box of 16 pens, a total of 3 are defective | Medium | |
| 71689 | A box contains seven bulbs out of which 3 are defective | Medium | |
| 71710 | Annie has 100 cards numbered 1 through 100 | Medium | |
| 71721 | The main line train starts at 5.00AM and the harbor line train… | Medium | |