| 99305 | A man wants to eat fruit for breakfast and vegetable for dinner | Medium | AQuA | |
| 106548 | Solve counting problems using the addition principle. | Easy | OpenStax | |
| 106552 | Counting Principles · Example 2 | Easy | OpenStax | |
| 106565 | Finding the Number of Permutations Using the Formula | Easy | OpenStax | |
| 106568 | Finding the Number of Combinations Using the Formula | Easy | OpenStax | |
| 106570 | Finding the Number of Subsets of a Set | Easy | OpenStax | |
| 106572 | Finding the Number of Permutations of n Non-Distinct Objects | Easy | OpenStax | |
| 106574 | Counting Principles · Exercise 8 | Easy | OpenStax | |
| 106576 | Counting Principles · Exercise 10 | Easy | OpenStax | |
| 106578 | Counting Principles · Exercise 12 | Easy | OpenStax | |
| 106610 | Counting Principles · Exercise 44 | Deep | OpenStax | |
| 106622 | Counting Principles · Exercise 56 | Medium | OpenStax | |
| 128291 | The Multiplication Rule for Counting · Example 2 | Easy | OpenStax | |
| 128292 | The Multiplication Rule for Counting · Example 3 | Easy | OpenStax | |
| 128293 | Permutations · Example 1 | Easy | OpenStax | |
| 128294 | Permutations · Example 2 | Easy | OpenStax | |
| 128295 | Permutations · Example 3 | Easy | OpenStax | |
| 128296 | Permutations · Example 4 | Easy | OpenStax | |
| 128297 | Combinations · Example 1 | Easy | OpenStax | |
| 128298 | Combinations · Example 2 | Easy | OpenStax | |
| 128299 | Combinations · Example 3 | Easy | OpenStax | |
| 128300 | Combinations · Example 4 | Easy | OpenStax | |
| 128312 | Probability with Permutations and Combinations · Example 1 | Easy | OpenStax | |
| 128313 | Probability with Permutations and Combinations · Example 2 | Easy | OpenStax | |
| 19461 | A two member committee comprising of one male and one female member… | Medium | AQuA | |
| 20777 | In how many ways the letters of the word RAIXBON be arranged | Medium | AQuA | |
| 21446 | There are 5 men and 11 women | Medium | AQuA | |
| 21488 | There are 20 students in a class | Medium | AQuA | |
| 22355 | A store sells nine different kinds of shirts | Medium | AQuA | |
| 22881 | In how many different ways can the letters of the word JUDGE… | Medium | AQuA | |
| 23565 | A radio station has to choose 6 days of the seven in… | Medium | AQuA | |
| 24289 | In how many different ways can the letters of the word ‘CASES’… | Medium | AQuA | |
| 24576 | In how many ways the letters of the word MAXICABE be arranged | Medium | AQuA | |
| 25967 | In how many ways can 5 people be arranged in a circle | Medium | AQuA | |
| 26056 | The lunch menu at a certain restaurant contains 4 different entrees and… | Medium | AQuA | |
| 26335 | The average age 20 members of a committee are the same as… | Medium | AQuA | |
| 26797 | The lunch menu at a certain restaurant contains 4 different entrees and… | Medium | AQuA | |
| 26980 | In how many ways the letters of the word RAIMBON be arranged | Medium | AQuA | |
| 27177 | In a hotel we can order two types of varieties, but we… | Medium | AQuA | |
| 27469 | In a hotel we can order two types of varities,but we can… | Medium | AQuA | |
| 27759 | six friends go to pizza corner where there are different types of… | Medium | AQuA | |
| 28241 | In how many ways the letters of the word MOUSE be arranged | Medium | AQuA | |
| 29076 | A radio station has to choose five days of the seven in… | Medium | AQuA | |
| 29428 | Evaluate permutation 8P8 | Medium | AQuA | |
| 30058 | A radio station has to choose two days of the seven in… | Medium | AQuA | |
| 31703 | In how many ways can the letters of the word EDUCATION be… | Medium | AQuA | |
| 31767 | John has 6 friends who want to ride in his new car… | Medium | AQuA | |
| 32345 | In case K is the only individual sewing on committee B, which… | Medium | AQuA | |
| 33129 | In how many different ways can the letters of the word ‘RED’… | Medium | AQuA | |
| 35274 | A lady bought five books namely A,B,C,D,E to distribute her 3 child | Medium | AQuA | |