| Recipient | Post | Date |
| Ekland | If 20 students can complete 20 project using 20 machines in 20 mandays | 19-Aug-2026 |
| Bunuel | If A and B work together, they will complete a job in 7.5 days. Howeve | 17-Aug-2026 |
| TheUltimateWinner | An escalator moves downward from street level to a subway platform at | 16-Aug-2026 |
| kevincan | A high-speed train and a regular train each travel between | 13-Aug-2026 |
| gdk800 | A firm has 4 senior partners and 6 junior partners. How many different | 21-May-2026 |
| kevincan | At Kentucky State University in Frankfort, Kentucky, there a | 12-May-2026 |
| kevincan | Giuseppes offers a certain number of distinct toppings. Pac | 10-May-2026 |
| kevincan | The sum of the first [m]n[/m] positive integers is given by | 07-May-2026 |
| Aprajita760 | Julia and Brian play a game in which Julia takes a ball and if it is | 07-May-2026 |
| kevincan | Panagiotis tosses a fair coin 5 times. What is the probabili | 07-May-2026 |
| Bunuel | John and Amanda stand at opposite ends of a straight road and start | 14-Dec-2025 |
| Bunuel | Patty and Selma play a gambling game in which Patty rolls a single fai | 13-Dec-2025 |
| AaronPond | Grizzly Peak: how many bears appear at the resort each year? | 13-Dec-2025 |
| Aabhash777 | A number X is randomly selected from the set of all non-prime integers | 10-Dec-2025 |
| Bunuel | Ten nominees for three business awards are randomly seated at the 10 | 05-Dec-2025 |
| Bunuel | Kate and David each have $10. Together they flip a coin 5 | 25-Nov-2025 |
| nick1816 | There are 3 green flags, 2 red flags and 3 yellow flags. If all the f | 21-Nov-2025 |
| shameekv | Thurston wrote an important seven-digit phone number on a na | 19-Nov-2025 |
| mahesh004 | There are three secretaries who work for four departments. | 19-Nov-2025 |
| Bunuel | A charity sells 140 benefit tickets for a total of 2001. Some tickets | 19-Nov-2025 |
| nick13 | Two machines, X and Y, working together at their repsective constant r | 16-Nov-2025 |
| Bunuel | A group of 4 construction workers, all working at the same constant | 15-Nov-2025 |
| Bunuel | A bag contains 6 balls of one or more colors. A ball is picked and is | 15-Nov-2025 |
| Toma13 | If x, y and z are positive integers, such that 1/x + 1/y + 1/z = 1 | 31-Aug-2025 |
| alphonsa | In a company, 58% of all its employees earn lesser than $50,000; 66% | 31-Aug-2025 |
| enigma123 | The sum of all the digits of the positive integer q is equal | 30-Aug-2025 |
| Bunuel | How many positive numbers with two or more digits can be formed with | 27-Aug-2025 |
| nusmavrik | If x is a randomly chosen integer between 1 and 20, inclusive | 09-Aug-2025 |
| Bunuel | If the price of a computer were reduced by 16 percent, which of the fo | 25-Jul-2025 |
| yrozenblum | If a sum of money, P dollars, is invested at the interest rate of i% p | 25-Jul-2025 |
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